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Inventors  
Thomas Edison
Patent list
Patent Number Title of Patent Date of execution Date of application Date of issue Joint inventors Description
12631 Design for an Incandescent Electric Lamp 1880, 11/23 1880, 11/30 1881, 12/27   Design Patent
13940 Design for Incandescing Electric Lamp 1883, 2/13 1883, 3/16 1883, 5/29   Design Patent
40527 Design for a Phonograph Cabinet 1909, 9/08 1909, 9/13 1910, 2/22   Design Patent
42934 Design for a Cabinet 1912, 7/11 1912, 7/13 1912, 8/27   Design Patent
66227 Design for a Grille for Phonograph Cabinets 1924, 10/15 1924, 10/17 1924, 12/16   Design Patent
66228 Design for Grille for Phonograph Cabinets 1924, 10/15 1924, 10/17 1924, 12/16   Design Patent
69068 Design for a Phonograph Cabinet 1924, 10/15 1924, 10/17 1924, 12/22   Design Patent
69688 Design for a Phonograph Cabinet 1924, 10/15 1924, 10/17 1926, 3/16   Design Patent
69689 Design for a Phonograph Cabinet 1924, 10/15 1924, 10/17 1926, 3/16   Design Patent
90646 Electrographic Vote-Recorder 1868, 11/13 1868, 11/28 1869, 6/01    
91527 Printing Telegraphs 1869, 1/25 1869, 2/17 1869, 6/22    
96567 Printing-Telegraph Apparatus 1869, 8/17 1869, 8/27 1869, 11/09    
96681 Automatic Electrical Switch 1869, 8/27 1869, 9/04 1869, 11/09    
102320 Printing Telegraph Apparatus 1869, 9/16 1869, 10/27 1870, 4/26    
103035 Electro-Motor Escapements 1870, 2/05 1870, 4/11 1870, 5/17    
103924 Printing Telegraph Instruments 1870, 4/12 1870, 4/14 1870, 6/07 Frank L. Pope  
111112 Governors for Electro Motors 1870, 6/29 1870, 7/06 1871, 1/24    
113033 Printing Telegraph Apparatus 1870, 11/17 1870, 11/22 1871, 3/28    
113034 Printing Telegraph Apparatus 1871, 1/10 1871, 1/14 1871, 3/28    
114656 Telegraphic Transmitting Instruments 1870, 6/22 1870, 6/28 1871, 5/09    
114657 Relay Magnets for Telegraph Instruments 1870, 9/06 1870, 9/21 1871, 5/09    
114658 Electro-Magnets for Telegraph Instruments 1870, 6/22 1870, 6/28 1871, 5/09    
121601 Machinery for Perforating Paper for Telegraph Pump 1871, 8/16 1871, 8/18 1871, 12/05    
123005 Telegraph Apparatus 1871, 7/26 1871, 8/04 1872, 1/23    
123006 Printing Telegraphs 1871, 7/26 1871, 8/04 1872, 1/23    
123984 Telegraph Apparatus 1871, 7/26 1871, 8/04 1872, 1/23    
124800 Telegraph Recording Instruments 1871, 8/12 1871, 8/18 1872, 3/19    
126528 Type Wheels for Printing Telegraphs 1872, 1/23 1872, 1/30 1872, 5/07    
126529 Type Wheels for Printing Telegraphs 1872, 1/23 1872, 1/30 1872, 5/07    
126530 Printing Telegraphs 1872, 2/14 1872, 2/19 1872, 5/07    
126531 Printing Telegraphs 1872, 1/17 1872, 1/22 1872, 5/07    
126532 Printing Telegraphs 1872, 1/03 1872, 1/12 1872, 5/07    
126533 Printing Telegraphs 1872, 2/14 1872, 2/19 1872, 5/07    
126534 Printing Telegraphs 1872, 1/17 1872, 1/12 1872, 5/07    
126535 Printing Telegraphs 1871, 11/13 1871, 11/18 1872, 5/07    
128131 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 6/18    
128604 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 7/02    
128605 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 7/02    
128606 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 7/02    
128607 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 7/02    
128608 Printing Telegraph Instruments 1870, 5/24 1870, 5/27 1872, 7/02    
130795 Electro Magnets 1872, 5/09 1872, 6/06 1872, 8/27    
131334 Rheotomes or Circuit-Directors 1872, 5/06 1872, 6/06 1872, 9/17    
131335 Printing Telegraphs 1872, 6/15 1872, 7/09 1872, 9/17    
131336 Printing Telegraphs 1872, 6/15 1872, 7/09 1872, 9/17    
131337 Printing Telegraphs 1872, 6/10 1872, 7/09 1872, 9/17    
131338 Printing Telegraphs 1872, 6/29 1872, 7/09 1872, 9/17    
131339 Printing Telegraphs 1872, 6/29 1872, 7/09 1872, 9/17    
131340 Printing Telegraphs 1872, 6/10 1872, 7/09 1872, 9/17    
131341 Printing Telegraph Instruments 1872, 5/28 1872, 6/06 1872, 9/17    
131342 Printing Telegraph Instruments 1872, 5/09 1872, 6/06 1872, 9/17    
131343 Transmitters and Circuits for Printing Telegraphs 1872, 6/10 1872, 7/09 1872, 9/17    
131344 Unison-Stops for Printing Telegraphs 1872, 6/29 1872, 7/09 1872, 9/17    
132455 Paper for Chemical Telegraphs 1872, 4/10 1872, 4/16 1872, 10/22    
132456 Apparatus for Perforating Paper for Telegraph Use 1872, 3/15 1872, 3/22 1872, 10/22    
133019 Electrical Printing Machines 1872, 4/18 1872, 4/25 1872, 11/12    
133841 Type Writing Machines 1871, 11/13 1871, 11/18 1872, 12/10    
134866 Printing Telegraph Instruments 1872, 10/16 1872, 10/22 1873, 1/14    
134867 Automatic Telegraph Instruments 1872, 5/08 1872, 6/06 1873, 1/14    
134868 Electro-Magnetic Adjusters 1872, 5/08 1872, 6/06 1873, 1/14    
135531 Circuits for Chemical Telegraphs 1872, 11/09 1872, 11/11 1873, 2/04    
138869 Printing Telegraphs 1872, 10/16 1872, 10/22 1873, 5/13    
138870 Printing Telegraphs 1873, 3/07 1873, 3/13 1873, 5/13    
139128 Printing Telegraphs 1873, 1/21 1873, 2/18 1873, 5/20    
139129 Printing Telegraphs 1873, 2/13 1873, 2/18 1873, 5/20    
140487 Printing Telegraphs 1873, 2/13 1873, 2/18 1873, 7/01    
140488 Printing Telegraphs 1873, 4/23 1873, 5/16 1873, 7/01    
140489 Circuits for Printing Telegraphs 1873, 2/13 1873, 2/18 1873, 7/01    
141772 Circuits for Automatic or Chemical Telegraphs 1872, 11/05 1872, 11/09 1873, 8/12    
141773 Circuits for Automatic Telegraphs 1872, 12/12 1873, 1/15 1873, 8/12    
141774 Chemical Telegraphs 1873, 3/07 1873, 3/13 1873, 8/12    
141775 Perforators for Automatic Telegraphs 1873, 3/07 1873, 3/13 1873, 8/12    
141776 Circuits for Automatic Telegraphs 1872, 12/12 1873, 1/15 1873, 8/12    
141777 Relay Magnets 1873, 3/07 1873, 3/13 1873, 8/12    
142688 Electrical Regulators for Transmitting Instruments 1873, 3/07 1873, 3/13 1873, 9/09    
142999 Galvanic Batteries 1872, 10/31 1872, 11/05 1873, 9/23    
146812 Telegraph Signal Boxes 1872, 11/26 1872, 12/03 1874, 1/27    
147311 Electric Telegraphs 1873, 4/23 1873, 7/29 1874, 2/10    
147312 Perforators for Automatic Telegraphy 1873, 3/24 1873, 7/29 1874, 2/10    
147313 Chemical Telegraphs 1873, 4/23 1873, 7/29 1875, 3/02    
147314 Circuits for Chemical Telegraphs 1873, 3/24 1873, 7/29 1874, 2/10    
147917 Duplex Telegraphs 1873, 4/23 1873, 6/27 1874, 2/24    
150846 Telegraph Relays 1873, 4/23 1873, 6/27 1874, 5/12    
150847 Receiving Instruments for Chemical Telegraphs 1873, 3/24 1873, 7/29 1874, 3/12    
150848 Chemical or Automatic Telegraphs 1872, 12/12 1873, 1/15 1874, 5/12    
151209 Automatic Telegraphy and in Perforators Therefor 1873, 8/25 1873, 9/02 1874, 5/26    
154788 District Telegraph Signal-Boxes 1874, 4/2 1874, 5/11 1874, 9/08    
156843 Duplex Chemical Telegraphs 1873, 3/07 1873, 3/13 1874, 11/17    
158787 Telegraph Apparatus 1874, 8/07 1874, 8/13 1875, 1/19    
160402 Solutions for Chemical Telegraph Paper 1873, 9/29 1874, 6/01 1875, 3/02    
160403 Solutions for Chemical Telegraph Paper 1873, 10/29 1874, 6/01 1875, 3/02    
160404 Solutions for Chemical Telegraph Paper 1873, 9/29 1874, 6/01 1875, 3/02    
160405 Adjustable Electro-magnets For Relays etc. 1873, 4/23 1873, 7/29 1875, 3/02    
160580 Solutions for Chemical Telegraph Paper 1873, 10/14 1874, 6/01 1875, 3/09    
162633 Duplex Telegraphs 1873, 4/22 1873, 4/26 1875, 4/27    
166859 Chemical Telegraphy 1874, 6/01 1874, 7/25 1875, 8/17    
166860 Chemical Telegraphy 1874, 6/01 1874, 7/25 1875, 8/17    
166861 Chemical Telegraphy 1874, 6/01 1874, 7/25 1875, 8/17    
168004 Printing Telegraphs 1874, 5/22 1874, 6/01 1875, 9/21    
168242 Transmitters and Receivers for Automatic Telegraph 1875, 1/18 1875, 1/26 1875, 9/28    
168243 Automatic Telegraphs 1875, 1/18 1875, 1/26 1875, 9/28    
168385 Duplex Telegraphs 1875, 1/18 1875, 1/26 1875, 10/05    
168465 Solutions for Chemical Telegraph 1874, 8/14 1875, 1/15 1875, 10/05    
168466 Solutions for Chemical Telegraph 1875, 1/18 1875, 1/26 1875, 10/05    
168467 Recording Points for Chemical Telegraphs 1875, 1/18 1875, 1/18 1875, 10/05    
169972 Electric Signaling Instrument 1875, 2/24 1875, 3/23 1875, 11/16 Chas. Batchelor  
171273 Telegraph Apparatus 1875, 2/11 1875, 2/16 1875, 12/21    
172305 Automatic Roman-Character Telegraphs 1874, 8/07 1875, 1/15 1876, 1/18    
173708 Automatic Telegraphy 1874, 8/07 1875, 1/15 1876, 2/22    
178221 Duplex Telegraphs 1874, 8/19 1874, 9/01 1876, 5/30    
178222 Duplex Telegraphs 1874, 8/19 1874, 9/01 1876, 5/30    
178223 Duplex Telegraphs 1874, 8/19 1874, 9/01 1876, 5/30    
180857 Autographic Printing 1876, 3/07 1876, 3/13 1876, 8/08    
180858 Duplex Telegraphs 1874, 8/19 1874, 9/01 1876, 8/08    
182996 Acoustic Telegraphs 1876, 5/09 1876, 5/16 1876, 10/10    
185507 Electro-Harmonic Multiplex Telegraphs 1876, 8/16 1876, 8/31 1876, 12/19    
186330 Acoustic Electric Telegraphs 1876, 5/09 1876, 5/16 1877, 1/16    
186548 Telegraphic Alarm and Signal Apparatus 1876, 5/09 1876, 5/18 1877, 1/23    
195751 Automatic Telegraphs 1875, 1/18 1875, 1/27 1877, 10/02    
195752 Automatic Telegraphs 1875, 1/19 1875, 1/27 1877, 10/02    
196747 Stencil-Pens 1877, 4/18 1877, 4/23 1877, 11/06    
198087 Telephonic Telegraphs 1876, 5/09 1876, 5/16 1877, 12/11    
198088 Telephonic Telegraphs 1876, 4/03 1876, 4/06 1877, 12/11    
198098 Telephonic or Electro-Harmonic Telegraphs 1876, 4/03 1876, 4/06 1877, 12/11    
200032 Synchronous Movements for Electric Telegraphs 1876, 10/30 1876, 11/11 1878, 2/05    
200521 Phonographs or Speaking Machines 1877, 12/15 1877, 12/24 1878, 2/19    
200993 Acoustic Telegraphs 1876, 8/26 1876, 9/18 1878, 3/05    
200994 Automatic Telegraph Perforator and Transmitter 1876, 10/30 1876, 11/11 1879, 3/05    
201760 Speaking Machines 1878, 2/28 1878, 3/04 1878, 3/26    
203013 Speaking Telegraph 1877, 12/08 1877, 12/13 1878, 4/30    
203014 Speaking Telegraphs 1877, 7/16 1877, 7/20 1878, 4/30    
203015 Speaking Telegraphs 1877, 8/16 1877, 8/28 1878, 8/30    
203016 Speaking Telephones 1878, 2/28 1878, 3/07 1878, 4/30    
203017 Telephone Call-Signal 1878, 2/28 1878, 3/04 1878, 4/30    
203018 Telephones or Speaking Telegraphs 1877, 12/08 1877, 12/13 1878, 4/30    
203019 Circuits for Acoustic or Telephonic Telegraphs 1878, 2/13 1878, 2/21 1878, 4/30    
203329 Perforating Pens 1877, 4/18 1877, 4/23 1878, 5/07    
205370 Pneumatic Stencil-Pens 1877, 3/03 1877, 3/26 1878, 6/25    
207723 Duplex Telegraphs 1874, 8/19 1874, 9/01 1878, 9/03    
207724 Duplex Telegraphs 1874, 12/14 1874, 12/28 1878, 9/03    
208299 Speaking Telephones 1877, 7/16 1877, 7/20 1878, 9/24    
209241 Quadruplex-Telegraph Repeaters 1875, 2/24 1875, 3/23 1878, 10/22    
210767 Vocal Engines 1878, 8/31 1878, 11/27 1878, 12/10    
212631 Design for an Incandescent Electric Lamp 1880, 11/23 1880, 11/30 1881, 12/27    
213554 Automatic Telegraph 1877, 2/03 1877, 3/26 1879, 3/25    
214636 Electric Lights 1878, 10/05 1878, 10/14 1879, 4/22    
214637 Thermal Regulators for Electric Lights 1878, 11/14 1878, 11/18 1879, 4/22    
217781 Sextuplex Telegraphs 1877, 5/08 1877, 5/14 1879, 7/22    
217782 Duplex Telegraphs 1878, 11/11 1878, 11/14 1879, 7/22    
218166 Magneto-Electric Machines 1878, 12/03 1878, 12/09 1879, 8/05    
218167 Apparatus for Electric Lights 1878, 12/31 1879, 1/10 1879, 8/05    
218866 Electric Lighting Apparatus 1878, 12/03 1878, 12/09 1879, 8/26    
219393 Dynamo-Electric Machines 1879, 7/07 1879, 7/10 1880, 8/31    
219628 Electric Lights 1878, 12/03 1878, 12/09 1879, 9/16    
221957 Telephones 1879, 3/24 1879, 3/31 1879, 11/25    
222390 Carbon Telephones 1878, 11/08 1878, 11/11 1879, 12/09    
222881 Magneto Electric Machines 1879, 9/04 1879, 9/10 1879, 12/23    
224329 Electric Lighting Apparatus 1879, 1/23 1879, 2/03 1880, 2/10    
224665 Autographic Stencils for Printing 1879, 3/10 1879, 3/17 1880, 2/17    
227226 Safety-Conductor for Electric Lights 1880, 3/10 1880, 3/25 1880, 5/04    
227227 Electric Light 1879, 2/06 1879, 2/10 1880, 5/04    
227228 Electric Light 1879, 1/28 1879, 2/03 1880, 5/04    
227229 Electric Light 1879, 4/12 1879, 4/12 1880, 5/04    
227679 Phonograph 1879, 3/19 1879, 3/29 1880, 5/18    
228329 Magnetic Ore-Separator 1880, 4/03 1880, 4/07 1880, 6/01    
228617 Brake for Electro-Magneto Motors 1880, 3/10 1880, 3/20 1881, 1/08    
230255 Method of Manufacturing Electric Lamps 1880, 1/28 1880, 2/05 1880, 7/20    
230621 Addressing Machine 1877, 5/08 1877, 5/14 1880, 8/03    
231704 Electro-Chemical Receiving Telephone 1879, 8/01 1879, 8/06 1882, 10/17    
223898 Electric Lamp 1879, 11/01 1879, 11/04 1880, 1/20    
235142 Acoustic Telegraph 1876, 8/26 1876, 9/30 1880, 12/07    
237732 Electric Light 1880, 6/15 1880, 6/30 1881, 2/15    
238098 Magneto Signal Apparatus 1880, 10/21 1880, 11/11 1881, 2/22 Edward H. Johnson  
238868 Manufacture of Carbons for Incandescent Electric Lamps 1880, 4/25 1880, 5/24 1881, 3/15    
239147 System of Electric Lighting 1880, 7/31 1880, 8/09 1881, 3/02    
239148 Treating Carbons for Electric Lamps 1880, 10/15 1880, 10/30 1881, 3/02    
239149 Incandescing Electric Lamp 1880, 12/03 1880, 12/15 1881, 3/02    
239150 Electric Lamps 1880, 7/27 1880, 8/06 1881, 3/02    
239151 Method of Forming Enlarged Ends on Carbon Filament 1880, 11/19 1880, 11/24 1881, 3/02    
239152 System of Electric Lighting 1880, 10/14 1880, 10/30 1881, 3/02    
239153 Electric Lamp 1880, 8/11 1880, 8/27 1881, 3/02    
239154 Relay for Telegraph 1880, 12/11 1880, 12/14 1881, 3/02    
239372 Testing Electric Light Carbons 1880, 7/28 1880, 8/09 1881, 3/29 Charles Batchelor  
239374 Regulating the Generation of Electric Currents 1880, 12/16 1881, 1/11 1881, 3/29    
239745 Electric Lamp 1880, 8/07 1880. 8/17 1881, 4/05    
240678 Webermeter 1880, 9/22 1880, 10/07 1881, 4/26    
242896 Incandescent Electric Lamp 1880, 12/03 1880, 12/15 1881, 6/14    
242897 Incandescent Electric Lamp 1880, 12/03 1880, 12/15 1881, 6/14    
242898 Magneto or Dynamo Electric Machine 1880, 12/11 1880, 12/15 1881, 6/14    
242899 Electric Lighting 1881, 1/19 1881, 1/26 1881, 6/14    
242900 Manufacturing Carbons for Electric Lamps 1880, 10/21 1880, 11/11 1881, 6/14    
242901 Electric Meter 1881, 2/24 1881, 3/03 1881, 6/14    
248416 Manufacture of Carbons for Electric Lamps 1880, 12/30 1881, 1/11 1881, 10/18    
248417 Manufacturing Carbons for Electric Lights` 1880, 6/15 1880, 6/30 1881, 10/18    
248418 Electric Lamp 1881, 1/19 1881, 1/31 1881, 10/18    
248419 Electric Lamp 1881, 3/30 1881, 4/15 1881, 10/18    
248420 Fixture and Attachment for Electric Lamps 1881, 3/07 1881, 3/26 1881, 10/18    
248421 Current Regulator for Dynamo Electric Machines 1881, 2/25 1881, 3/05 1881, 10/18    
248422 System of Electric Lighting 1881, 1/20 1881, 1/31 1881, 10/18    
248423 Carbonizer 1880, 7/30 1880, 8/11 1881, 10/18    
248424 Fitting and Fixture for Electric Lamps 1881, 3/08 1881, 3/26 1881, 10/18    
248425 Apparatus for Producing High Vacuums 1880, 1/28 1880, 3/29 1881, 10/18    
248426 Apparatus for Treating Carbons for Electric Lamps 1880, 11/05 1880, 11/24 1881, 10/18    
248427 Apparatus for Treating Carbons for Electric Lamps 1880, 12/21 1881, 1/11 1881, 10/18    
248428 Manufacture of Incandescent Electric Lamps 1880, 12/16 1881, 1/11 1881, 10/18    
248429 Electric Motor 1881, 2/24 1881, 3/03 1881, 10/18    
248430 Electro-Magnetic Brake 1880, 7/02 1880, 7/22 1881, 10/18    
248431 Preserving Fruit 1880, 12/11 1880, 12/14 1881, 10/18    
248432 Magnetic Separator 1880, 7/26 1880, 8/06 1880, 10/18    
248433 Vacuum Apparatus 1881, 1/19 1881, 1/31 1881, 10/18    
248434 Governor for Electric Engines 1880, 7/31 1880, 8/09 1881, 10/18    
248435 Utilizing Electricity as a Motive power 1880, 8/12 1880, 9/01 1881, 10/18    
248436 Depositing Cell for Plating the Connections of Electric Lamps 1881, 5/17 1881, 5/27 1881, 10/18    
248437 Apparatus for Treating Carbons for Electric Lamps 1880, 12/21 1881, 1/11 1881, 10/18    
248565 Webermeter 1880, 12/03 1880, 12/15 1881, 10/18    
251242 System of Electric Lighting 1881, 4/19 1881, 4/26 1881, 12/27    
251536 Vacuum Pump 1881, 12/05 1881, 12/09 1881, 12/27    
251537 Dynamo-Electric Machine 1881, 6/25 1881, 8/30 1881, 12/27    
251538 Electric Light 1881, 5/27 1881, 5/28 1881, 12/27    
251539 Electric Lamp 1881, 5/17 1881, 5/27 1881, 12/27    
251540 Carbon for Electric Lamps 1880, 7/28 1880, 8/06 1881, 12/27    
251541 Electro-Magnetic Motor 1881, 5/20 1881, 5/31 1881, 12/27    
251543 Electric Lamp 1881, 5/24 1881, 8/30 1881, 12/27    
251544 Manufacture of Electric Lamps 1881, 5/20 1881, 6/22 1881, 12/27    
251545 Electric Meter 1880, 3/10 1880, 3/20 1881, 12/27    
251546 Electric Lamp 1880, 8/10 1880, 8/17 1881, 12/27    
251547 Electrical Governor 1881, 6/02 1881, 6/24 1881, 12/27    
251548 Incandescent Electric Lamp 1881, 1/19 1881, 1/31 1881, 12/27    
251549 Electric Lamp and the Manufacture Thereof 1881, 5/20 1881, 5/31 1881, 12/27    
251550 Magneto or Dynamo Electric Machine 1881, 2/26 1881, 3/03 1881, 12/27    
251551 System of Electric Lighting 1881, 5/21 1881, 8/30 1881, 12/27    
251552 Underground Conductors 1881, 4/22 1881, 4/26 188, 12/27    
251553 Electric Chandelier 1881, 3/07 1881, 3/26 1881, 12/27    
251554 Electric Lamp and Socket or Holder 1881, 3/07 1881, 3/26 1881, 12/27    
251555 Regulator for Dynamo-Electric Machines 1881, 2/26 1881, 5/05 1881, 12/27    
251556 Regulator for Magneto or Dynamo Electric Machines 1880, 10/21 1880, 10/30 1881, 12/27    
251557 Webermeter 1881, 5/19 1881, 5/27 1881, 12/27    
251558 Webermeter 1881, 5/20 1881, 8/30 1881, 12/27    
251559 Electrical Drop-Light 1881, 10/25 1881, 11/11 1881, 12/27    
252442 Telephone 1879, 8/04 1879, 8/06 1882, 1/17    
257677 Telephone 1881, 9/07 1881, 10/17 1882, 5/09    
263131 Magnetic Ore-Separator 1881, 6/04 1881, 6/22 1882, 8/22    
263132 Electro-Magnetic Railway 1880, 8/14 1880, 8/19 1882, 8/22    
263133 Dynamo or Magneto Electric Machine 1881, 8/24 1881, 11/11 1882, 8/22    
263134 Regulator for Dynamo or Magneto Electric Machines 1881, 5/19 1881, 5/28 1882, 8/22    
263135 Electric Lamp 1880, 8/07 1880. 8/17 1882, 8/22    
263136 Regulator for Dynamo or Magneto Electric Machines 1881, 5/17 1881, 5/27 1881, 8/22    
263137 Electric Chandelier 1881, 5/21 1881, 8/30 1882, 8/22    
263138 Electric-Arc Light 1881, 11/07 1881, 11/28 1882, 8/22    
263139 Manufacture of Carbons for Electric Lamps 1880, 7/28 1880, 8/06 1882, 8/22    
263140 Dynamo-Electric Machine 1880, 7/30 1880, 8/09 1882, 8/22    
263141 Straightening Carbons of Electric Incandescent Lamps 1881, 5/21 1881, 6/24 1882, 8/22    
263142 Electrical Distribution System 1881, 8/24 1881, 10/04 1882, 8/22    
263143 Magneto or Dynamo Electric Machine 1881, 6/24 1881, 8/30 1882, 8/22    
263144 Mold for Carbonizing Incandescents 1881, 9/19 1881, 11/11 1882, 8/22    
263145 Process of Making Incandescents 1881, 4/19 1881, 4/26 1882, 8/22    
263146 Dynamo Magneto Electric Machine 1881, 11/22 1881, 11/29 1882, 8/22    
263147 Vacuum Apparatus 1881, 7/1 1881, 8/30 1882, 8/22    
263148 Dynamo or Magneto Electric Machine 1881, 10/25 1881, 11/18 1882, 8/22    
263149 Commutator for Dynamo or Magneto Electric Machines 1881, 7/22 1881, 10/04 1882, 8/22    
263150 Magneto or Dynamo Electric Machine 1881, 6/03 1881, 6/22 1881, 8/22    
263878 Electric Lamp 1880, 12/03 1880, 12/15 1882, 9/05    
264642 Electric Distribution and Translation System 1880, 8/04 1880, 8/09 1882, 9/19    
264643 Magneto-Electron Machine 1879, 4/21 1879, 5/12 1882, 9/19    
264645 System of Conductors for the Distribution of Electricity 1880, 9/01 1880, 10/07 1882, 9/19    
264646 Dynamo or Magneto Electric Machine 1881, 10/25 1881, 11/28 1882, 9/19    
264647 Dynamo or Magneto Electric Machine 1881, 8/24 1881, 10/04 1882, 9/19    
264648 Dynamo or Magneto Electric Machines 1881, 9/23 1881, 11/11 1882, 9/19    
264649 Dynamo or Mageto Electric Machine 1880, 3/11 1880, 3/20 1882, 9/19    
264650 Manufacture of Incandescing Electric Lamps 1881, 12/05 1881, 12/09 1882, 9/19    
264651 Incandescent Electric Lamp 1882, 6/09 1882, 8/07 1882, 9/19    
264652 Incandescent Electric Lamp 1881, 12/15 1882, 8/07 1882, 9/19    
264653 Incandescent Electric Lamp 1881, 12/13 1882, 8/07 1882, 9/19    
264654 Incandescent Electric Lamp 1882, 2/10 1882, 8/07 1882, 9/19    
264655 Incandescing Electric Lamp 1882, 6/09 1882, 8/07 1882, 9/19    
264656 Incandescent Electric Lamp 1882, 7/07 1882, 8/14 1882, 9/19    
264657 Incandescent Electric Lamp 1881, 5/21 1881, 8/30 1882, 9/19    
264658 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1882, 9/19    
264659 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1882, 9/19    
264660 Regulator for Dynamo-Electric Machines 1881, 12/05 1882, 8/07 1882, 9/19    
264661 Regulator for Dynamo Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19    
264662 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1882, 9/19    
264663 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1882, 9/19    
264664 Regulator for Dynamo Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19    
264665 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1882, 9/19    
264666 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1882, 9/19    
264667 Regulator for Dynamo-Electric Machines 1882, 5/22 1882, 8/07 1882, 9/19    
264668 Regulator for Dynamo-Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19    
264669 Regulator for Dynamo-Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19    
264670 Regulator for Dynamo-Electric Machines 1882, 6/09 1882, 8/07 1882, 9/19    
264671 Regulator for Dynamo-Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19    
264672 Regulator for Dynamo-Electric Machines 1882, 5/22 1882, 8/07 1882, 9/19    
264673 Regulator for Dynamo-Electric Machines 1881, 11/03 1881, 11/28 1882, 8/22    
265311 Electric Lamp and Holder for Same 1880, 1/28 1880, 2/05 1882, 10/03    
265774 Method of Maintaining Temperature in Webermeters 1881, 9/21 1881, 11/11 1882, 10/10    
265775 Electric-Arc Light 1881, 11/07 1881, 11/28 1882, 10/10    
265776 Electric-Lighting System 1881, 9/27 1881, 11/11 1882, 10/10    
265777 Method of Treating Carbons for Electric Lamps 1880, 12/11 1880, 12/15 1882, 10/10    
265778 Electro-Magnetic Railway Engine 1880, 7/03 1880, 7/22 1882, 10/10    
265779 Regulator for Dynamo Electric Machines 1882, 1/17 1882, 8/07 1882, 10/10    
265780 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1882, 10/10    
265781 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1882, 10/10    
265782 Regulator for Dynamo-Electric Machines 1882, 7/07 1882, 8/14 1882, 10/10    
265783 Regulator for Dynamo-Electric Machines 1882, 7/07 1882, 8/14 1882, 10/10    
265784 Regulator for Dynamo-Electric Machines 1882, 7/07 1882, 8/14 1882, 10/10    
265785 Dynamo-Electric Machine 1882, 7/07 1882, 8/14 1882, 10/10    
265786 Apparatus for the Electrical Transmission of Power 1882, 5/22 1882, 8/07 1882, 10/10    
266021 Telephone 1881, 9/07 1881, 10/17 1882, 10/17    
266447 Electric Incandescent Lamp 1881, 4/21 1881, 4/26 1882, 10/24    
266588 Vacuum Apparatus 1881, 11/25 1881, 12/06 1882, 10/24    
266793 Electric Distribution System 1881, 10/25 1881, 12/09 1882, 10/31    
268205 Dynamo or Magneto Electric Machine 1882, 5/01 1882, 5/17 1882, 11/28    
268206 Incandescing Electric Lamp 1882, 10/10 1882, 10/12 1882, 11/28    
271613 Manufacture of Incandescing Electric Lamps 1882, 8/25 1882, 9/13 1883, 2/06    
271614 Shafting 1882, 10/19 1882, 10/20 1883, 2/06    
271615 Governor for Dynamo-Electric Machines 1882, 10/19 1882, 11/09 1883, 2/06    
271616 Regulator for Dynamo-Electric Machines 1882, 10/16 1882, 10/20 1883, 2/06    
272034 Telephone 1882, 3/30 1882, 10/06 1883, 2/13    
273485 Incandescing Electric Lamp 1882, 10/26 1882, 11/09 1883, 3/06    
273486 Incandescing Electric Lamp 1882, 10/12 1882, 10/20 1883, 3/06    
273487 Regulator for Dynamo-Electric Machines 1882, 9/12 1882, 9/22 1883, 3/06    
273488 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1883, 3/06    
273489 Turn-Table for Electric Railways 1882, 6/09 1882, 8/07 1883, 3/06    
273490 Electro-Magnetic Railway System 1882, 6/09 1882, 8/07 1883, 3/06    
273491 Regulator for Driving Engines of Electrical Generators 1882, 10/19 1882, 10/26 1883, 3/06    
273492 Secondary Battery 1882, 5/19 1882, 6/26 1883, 3/06    
273493 Valve-Gear for Electrical Generator-Engines 1882, 10/19 1882, 10/26 1883, 3/06    
273494 Electrical Railroad 1882, 7/07 1882, 8/14 1883, 3/06    
273714 Magneto-Electric Signaling Apparatus 1882, 8/05 1882, 8/07 1883, 3/13    
273715 Art of Malleabelizing Iron 1881, 10/04 1881, 10/07 1883, 3/13    
273828 System of Underground Conductors for Electrical Distribution 1882, 5/22 1882, 8/07 1883, 3/13    
274290 System of Electrical Distribution 1882, 11/20 1882, 11/27 1883, 3/20    
274291 Mold for Carbonizing 1882, 11/28 1882, 12/08 1883, 3/20    
274292 Secondary Battery 1882, 6/03 1882, 8/07 1883, 3/20    
274293 Electric Lamp 1882, 10/14 1882, 10/20 1883, 3/20    
274294 Incandescing Electric Lamp 1882, 11/13 1882, 11/23 1883, 3/20    
274295 Incandescent Electric Lamp 1882, 11/14 1882, 11/23 1883, 3/20    
274296 Manufacture of Incandescents 1882, 7/05 1882, 8/14 1883, 3/20    
274576 Transmitting Telephone 1882, 3/30 1882, 10/06 1883, 3/27    
274577 Telephone 1882, 3/30 1882, 10/06 1883, 3/27    
275612 Manufacture of Incandescing Electric Lamps 1882, 10/14 1882, 10/20 1883, 4/10    
275613 Incandescing Electric Lamp 1882, 2/10 1882, 8/07 1883, 4/10    
276232 Means for Operating and Regulating Electrical Generators 1882, 12/20 1883, 1/08 1883, 4/24    
276233 Electrical Generator and Motor 1882, 11/14 1882, 11/23 1883, 4/24    
278413 Regulator for Dynamo-Electric Machines 1882, 11/28 1882, 12/08 1883, 5/29    
278414 Regulator for Dynamo-Electric Machines 1882, 11/28 1882, 12/08 1883, 5/29    
278415 Manufacture of Incandescing Electric Lamps 1883, 1/13 1883, 1/22 1883, 5/29    
278416 Manufacture of Incandescing Electric Lamps 1882, 2/28 1882, 8/07 1883, 5/29    
278417 Manufacture of Incandescing Electric Lamps 1883, 1/13 1883, 1/22 1883, 5/29    
278418 Apparatus for Translating Electric Currents From High to Low Tension 1882, 7/07 1882, 8/14 1883, 5/29    
278419 Dynamo-Electric Machine 1881, 12/15 1882, 8/07 1883, 5/29    
280727 System of Electrical Distribution 1883, 2/13 1883, 3/16 1883, 7/03    
281349 Regulator for Dynamo-Electric Machines 1883, 1/13 1883, 1/22 1883, 7/17    
281350 Regulator for Dynamo-Electric Machines 1882, 11/13 1882, 11/23 1883, 7/17    
281351 Electrical Generator 1883, 3/05 1883, 3/16 1883, 7/17    
281352 Webermeter 1881, 10/05 1881, 11/11 1883, 7/17    
281353 Dynamo or Magneto Electric Machine 1882, 6/03 1882, 9/13 1883, 7/17    
282287 Magneto-Electric Signaling Apparatus 1882, 8/05 1882, 8/07 1882, 7/31    
283983 System of Electrical Distribution 1883, 4/05 1883, 4/17 1883, 8/28    
283984 System of Electrical Distribution 1883, 3/05 1883, 3/16 1883, 8/28    
283985 System of Electrical Distribution 1883, 1/13 1883, 1/22 1883, 8/28    
283986 System of Electrical Distribution 1883, 1/13 1883, 1/22 1883, 8/28    
287511 Electric Regulators 1883, 6/25 1883, 6/29 1883, 10/30    
287512 Dynamo-Electric Machine 1883, 6/25 1883, 6/29 1883, 10/30    
287513 Dynamo-Electric Machine 1883, 6/25 1883, 6/29 1883, 10/30    
287514 Dynamo-Electric Machine 1883, 6/25 1883, 6/29 1883, 10/30    
287515 System of Electrical Distribution 1883, 6/25 1883, 6/29 1883, 10/30    
287516 System of Electrical Distribution 1883, 5/08 1883, 5/14 1883, 10/30    
287517 System of Electrical Distribution 1883, 3/14 1883, 3/16 1883, 10/30    
287518 Method of Manufacturing Incandescing Electric Lamps 1882, 8/25 1882, 9/13 1883, 10/30    
287519 Incandescing Electric Lamp 1882, 11/28 1882, 12/08 1883, 10/30    
287520 Incandescing Conductor for Electric Lamps 1882, 11/03 1882, 11/09 1883, 10/30    
287521 Dynamo or Magneto Electric Machine 1883, 2/17 1883, 3/16 1883, 10/30    
287522 Mold for Carbonizing 1883, 2/17 1883, 3/16 1883, 10/30    
287523 Dynamo or Magneto Electric Machine 1882, 6/03 1882, 9/13 1883, 10/30    
287524 Regulator for Dynamo-Electric Machines 1882, 11/28 1882, 12/08 1883, 10/30    
287525 Regulator for Systems of Electrical Distribution 1882, 10/04 1882, 10/20 1883, 10/30 Charles L. Clark  
288318 Regulator for Dynamo or Magneto Electric Machines 1881, 10/17 1881, 11/11 1883, 11/13    
293373 Electric Lamp 1880, 8/07 1880. 8/17 1881, 3/29    
293432 Electrical Generator or Motor 1883, 10/17 1883, 10/18 1884, 2/12    
293433 Insulation of Railroad Tracks Used for Electrical Currents 1880, 8/06 1880, 8/09 1884, 2/12    
293434 Incandescent Electric Lamp 1881, 12/05 1882, 8/07 1884, 2/12    
293435 Electrical Meter 1882, 7/07 1882, 8/14 1884, 2/12    
295990 Type-Writer 1878, 12/04 1878, 12/09 1884, 4/01    
297580 Electric-Arc Light 1881, 11/07 1881, 11/28 1884, 4/29    
297581 Incandescent Electric Lamp 1882, 9/12 1882, 9/22 1884, 4/29    
297582 Dynamo-Electric Machine 1883, 6/25 1883, 6/29 1884, 4/29    
297583 Dynamo-Electric Machine 1883, 7/27 1883, 10/10 1884, 4/29    
297584 Dynamo-Electric Machine 1883, 8/08 1883, 10/10 1884, 4/29    
297585 Incandescing Conductor for Electric Lamps 1883, 9/14 1883, 10/10 1884, 4/29    
297586 Electrical Conductor 1883, 9/14 1883, 10/10 1884, 4/29    
297587 Dynamo-Electric Machine 1883, 11/15 1883, 12/12 1884, 4/29    
298679 Method Treating Carbons for Electric Lights 1880, 6/15 1880, 7/03 1884, 5/13    
298954 Dynamo-Electric Machine 1883, 11/15 1883, 12/12 1884, 5/20    
298955 Dynamo-Electric Machine 1883, 11/15 1883, 12/12 1884, 5/20    
298956 Mode of Operating Dynamo-Electric Machines 1884, 1/05 1884, 1/24 1884, 5/20    
304082 Electrical Meter 1882, 6/24 1882, 8/14 1884, 8/26    
304083 Dynamo-Electric Machine 1883, 7/27 1883, 10/10 1884, 8/26    
304084 Device for Protecting Electric-Light Systems from Lightning 1883, 7/27 1883, 10/10 1884, 8/26    
304085 System of Electrical Distribution 1883, 11/15 1883, 12/12 1884, 8/26    
304086 Incandescent Electric Lamp 1883, 12/15 1884, 1/24 1884, 8/26    
304087 Electrical Conductor 1884, 1/12 1884, 1/24 1884, 8/26    
307029 Filament for Incandescent Lamps 1882, 10/09 1882, 10/12 1884, 10/21    
307030 Electrical Meter 1883, 8/08 1883, 10/10 1884, 10/21    
307031 Electrical Indicator 1883, 11/21 1883, 11/15 1884, 10/21    
314115 Chemical Stock Quotation Telegraph 1884, 2/09 1884, 3/19 1885, 3/17 Patrick Kenny  
317631 Incandescent Electric Lamp 1881, 11/22 1881, 11/29 1885, 5/12    
317632 Incandescent Electric Lamp 1882, 10/26 1882, 11/09 1885, 5/12    
317633 Incandescent Electric Lamp 1882, 10/26 1882, 11/09 1885, 5/12    
328572 Commutator for Dynamo-Electric Machines 1883, 6/25 1883, 6/29 1885, 10/20    
328573 System of Electric Lighting 1884, 9/12 1884, 10/02 1885, 10/20    
328574 System of Electric Lighting 1884, 9/12 1884, 10/02 1885, 10/20    
328575 System of Electric Lighting 1884, 9/12 1884, 10/02 1885, 10/20    
329030 Telephone 1884, 12/03 1884, 12/15 1885, 10/27    
333289 Telegraphy 1885, 4/27 1885, 5/08 1885, 12/29    
333290 Duplex Telegraphy 1885, 4/30 1885, 5/08 1885, 12/29    
333291 Way-Station Quadruplex Telegraphy 1885, 5/06 1885, 5/16 1885, 12/29    
334853 Mold for Carbonizing 1882, 7/07 1882, 8/14 1886, 1/26    
337254 Telephone 1883, 11/10 1883, 11/13 1886, 3/02 Sigmund Bergman  
339278 Electric Railway 1882, 7/07 1882, 8/14 1886, 4/06    
339279 System of Electrical Distribution 1884, 2/08 1884, 4/05 1886, 4/06    
340707 Telephonic Repeater 1884, 12/09 1884, 12/15 1886, 4/27    
340708 Electrical Signaling Apparatus 1884, 12/19 1885, 1/12 1886, 4/27    
340709 Telephone-Circuit 1885, 1/02 1885, 10/14 1886, 4/27 Ezra T. Gilliland  
341644 Incandescent Electric Lamp 1881, 5/20 1881, 5/31 1886, 5/11    
341839 Incandescing Electric Lamp 1883, 5/08 1883, 5/14 1886, 5/11    
343017 System of Electrical Distribution 1884, 6/27 1884, 8/07 1886, 6/01    
347097 Electrical Signaling Apparatus 1884, 12/19 1885, 1/12 1886, 8/10    
348114 Electrode for Telephone-Transmitters 1885, 1/12 1885, 1/12 1886, 1/12    
350234 System of Railway Signaling 1885, 3/27 1885, 4/07 1886, 10/05 Ezra T.Gilliland  
350235 Railway-Telegraphy 1885, 12/28 1886, 1/13 1886, 10/05 Ezra T. Gilliland  
351855 Electric Lamp 1880, 8/11 1880, 8/27 1886, 11/02    
351856 Incandescent Electric Lamp 1886, 9/30 1886, 10/05 1886, 11/02    
353783 Incandescent Electric Lamp 1882, 11/03 1882, 11/09 1886, 12/07    
354310 Manufacture of Carbon Conductors 1883, 4/06 1883, 4/17 1886, 12/14    
358599 Incandescent Electric Lamp 1881, 10/29 1881, 11/28 1887, 3/01    
358600 Incandescent Electric Lamp 1881, 12/13 1882, 8/07 1887, 3/01    
365465 Valve-Gear 1882, 10/05 1882, 10/12 1887, 6/28    
365509 Filament for Incandescent Electric Lamps 1882, 6/03 1882, 8/07 1887, 6/28    
365978 System of Electrical Distribution 1886, 11/22 1886, 11/29 1887, 7/05    
369280 System of Electrical Distribution 1880, 1/28 1880, 2/05 1887, 8/30    
369439 System of Electrical Distribution 1886, 11/22 1886, 12/06 1887, 9/06    
369441 System of Electrical Distribution 1886, 12/10 1886, 12/16 1887, 9/06    
369442 System of Electrical Distribution 1886, 12/16 1886, 12/22 1887, 9/06    
369443 System of Electrical Distribution 1886, 12/16 1886, 12/27 1887, 9/06    
370123 Electric Meter 1883, 4/06 1883, 4/17 1887, 9/20    
370124 Manufacture of Filaments for Incandescing Lights 1883, 4/12 1883, 4/20 1887, 9/20    
370125 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20    
370126 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20    
370127 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20    
370128 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20    
370129 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20    
370130 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20    
370131 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20    
370132 Telegraphy 1886, 5/11 1886, 5/15 1887, 9/20    
373584 Dynamo-Electric Machine 1886, 12/21 1886, 12/28 1887, 11/22    
377374 Telegraphy 1877, 5/08 1877, 5/14 1888, 2/07    
377518 Magnetic Separator 1887, 6/30 1887, 7/06 1888, 2/07    
378044 Telephone-Transmitter 1885, 1/09 1885, 10/14 1888, 2/14    
379770 Incandescent Electric Lamp 1881, 12/05 1881, 12/09 1888, 3/20    
379771 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1888, 3/20    
379772 System of Electrical Distribution 1882, 5/22 1882, 8/07 1888, 3/20    
379944 Commutator for Dynamo-Electric Machines 1886, 11/26 1886, 12/06 1888, 3/27    
380100 Pyromagnetic Motor 1887, 5/24 1887, 6/13 1888, 3/27    
380101 System of Electrical Distribution 1887, 9/13 1887, 9/23 1888, 3/27    
380102 System of Electrical Distribution 1887, 9/14 1887, 9/23 1888, 3/27    
382414 Burnishing Attachment for Phonographs 1887, 11/22 1887, 11/26 1888, 5/08    
382415 System of Electrical Distribution 1887, 12/04 1887, 12/27 1888, 5/08    
382416 Feed and Return Mechanism for Phonographs 1887, 11/29 1888, 1/05 1888, 5/08    
382417 Process of Making Phonogram-Blanks 1888, 1/30 1888, 2/04 1888, 5/08    
382418 Phonogram-Blank 1888, 2/20 1888, 3/02 1888, 5/08    
382419 Process of Duplicating Phonograms 1888, 3/03 1888, 3/08 1888, 5/08    
382462 Phonogram-Blank 1887, 12/05 1888, 1/05 1888, 5/08    
384830 Railway Signaling 1886, 11/24 1886, 11/29 1888, 6/19 Ezra T. Gilliland  
385173 System of Electrical Distribution 1887, 11/05 1887, 12/09 1888, 6/26    
386974 Phonograph 1887, 11/22 1887, 11/26 1888, 7/31    
389369 Incandescing Electric Lamp 1888, 2/02 1888, 2/06 1888, 9/11    
390462 Process of Making Carbon Filament 1888, 2/20 1888, 3/02 1888, 10/02    
391595 System of Electric Lighting 1884, 7/16 1884, 8/07 1888, 10/23    
391596 Incandescent Electric Lamp 1884, 9/24 1884, 10/02 1888, 10/23    
393462 Process of Making Phonogram-Blanks 1888, 4/28 1888, 5/07 1888, 11/27    
393463 Machine for Making Phonogram-Blanks 1888, 4/28 1888, 5/07 1888, 11/27    
393464 Machine for Making Phonogram-Blanks 1888, 4/28 1888, 5/07 1888, 11/27    
393465 Method of Preparing Phonograph Recording-Surfaces 1888, 6/30 1888, 7/07 1888, 11/27    
393466 Phonograph-Recorder 1888, 7/14 1888, 7/17 1888, 11/27    
393966 Method of Recording and Reproducing Sounds 1888, 7/14 1888, 7/17 1888, 12/04    
393967 Method of Recording and Reproducing Sounds 1888, 7/14 1888, 7/17 1888, 12/04    
393968 Phonograph-Recorder 1888, 10/31 1888, 11/05 1888, 12/04    
394105 Phonograph-Recorder 1888, 2/20 1888, 3/02 1888, 12/04    
394106 Phonograph-Reproducer 1888, 2/20 1888, 3/02 1888, 12/04    
395123 Circuit-Controller for Dynamo-Electric Machines 1883, 2/13 1883, 3/16 1888, 12/25    
395962 Method of Manufacturing Electric Lamps 1882, 9/16 1882, 9/22 1889, 1/08    
395963 Incandescent-Lamp Filament 1884, 1/22 1884, 4/05 1889, 1/08    
396356 Magnetic Separator 1888, 3/19 1888, 3/29 1889, 1/15    
397280 Phonograph Recorder and Reproducer 1888, 9/19 1888, 9/27 1889, 2/05    
397705 Method of Winding Field-Magnets 1888, 8/31 1888, 9/15 1889, 2/12    
397706 Phonograph 1888, 9/29 1888, 10/11 1889, 2/12    
398774 Incandescent Electric Lamp 1883, 5/08 1883, 5/14 1889, 2/26    
400317 Ore-Separator 1881, 8/11 1882, 8/25 1889, 3/26    
400646 Phonograph Recorder and Reproducer 1888, 5/22 1888, 6/07 1889, 4/02    
400647 Phonograph 1888, 6/30 1888, 7/07 1889, 4/02    
400648 Phonogram-Blank 1888, 7/27 1888, 7/30 1889, 4/02    
400649 Method of Making Phonogram-Blanks 1888, 9/29 1888, 10/11 1889, 4/02    
400650 Method of Making Phonogram-Blanks 1888, 10/15 1888, 10/17 1889, 4/02    
401486 System of Electric Lighting 1882, 6/12 1882, 8/07 1889, 4/16    
401646 Incandescing Electric Lamp 1882, 2/10 1882, 8/07 1889, 4/16    
404902 Electrical-Distribution System 1881, 8/24 1881, 10/04 1889, 6/11    
406130 Manufacture of Incandescent Electric Lamps 1886, 8/06 1886, 8/11 1889, 7/02    
406567 Telephone 1886, 1/28 1886, 2/19 1889, 7/09    
406568 Phonograph 1888, 10/15 1888, 10/17 1889, 7/09    
406569 Phonogram-Blank 1889, 1/10 1889, 1/19 1889, 7/09    
406570 Phonograph 1889, 2/01 1889, 2/11 1889, 7/09    
406571 Process of Treating Phonogram-Blanks 1889, 2/1 1889, 2/11 1889, 7/09    
406572 Automatic Determine Device for Phonographs 1889, 2/1 1889, 2/11 1889, 7/09    
406573 Automatic Determining Device for Phonographs 1889, 2/1 1889, 2/11 1889, 7/09    
406574 Automatic Determining Device for Phonographs 1889, 2/01 1889, 2/14 1889, 7/09    
406575 Automatic Determining Device for Phonographs 1889, 2/1 1889, 2/11 1889, 7/09    
406576 Phonogram-Recorder 1889, 2/1 1889, 2/11 1889, 7/09    
406824 Electric Meter 1881, 1/19 1881, 1/31 1889, 7/09    
406852 Electric Meter 1882, 8/25 1882, 9/13 1889, 7/09    
411016 Manufacture of Carbon Filaments 1882, 10/19 1882, 10/20 1889, 9/17    
411017 Carbonizing-Flask 1883, 4/06 1883, 4/17 1889, 9/17    
411018 Manufacture of Incandescent Electric Lamps 1886, 7/15 1886, 7/17 1889, 9/17    
411019 Manufacture of Incandescent Electric Lamps 1886, 7/20 1886, 7/29 1889, 9/17    
411020 Manufacture of Carbon Filaments 1886, 11/26 1886, 12/06 1889, 9/17    
414759 Phonogram-Blank 1889, 3/22 1889, 3/25 1889, 11/12    
414760 Phonograph 1889, 3/22 1889, 3/30 1889, 11/12    
414761 Phonogram-Blank 1889, 7/16 1889, 8/10 1889, 11/12    
420594 Quadruplex Telegraph 1877, 8/16 1877, 8/22 1890, 2/04    
422072 Telegraphy 1885, 10/07 1885, 10/23 1890, 2/25    
422073 Telegraphy 1885, 11/12 1885, 11/24 1890, 2/25    
422074 Telegraphy 1885, 11/24 1886, 2/26 1890, 2/25    
422577 Apparatus for Speaking- Telephone 1884, 10/21 1884, 12/01 1890, 3/04 Ezra T. Gilliland  
422578 Telephonic Repeater 1884, 12/09 1884, 12/15 1890, 3/04    
422579 Telephonic Repeater 1884, 12/09 1884, 12/15 1890, 3/04    
423039 Phonograph for Dolls or other Toys 1889, 6/15 1889, 7/02 1890, 3/11    
425760 Measurement of Electricity in Distribution Systems 1881, 6/04 1881, 6/22 1890, 4/15    
425761 Incandescent Lamp 1883, 11/20 1883, 11/22 1890, 4/15    
425762 Cut-out for Incandescent Electric Lamps 1888, 3/03 1888, 3/08 1890, 4/15    
425763 Commutator for Dynamo-Electric Machines 1881, 8/20 1881, 11/15 1890, 4/15    
426527 Automatic Determining Device for Phonographs 1889, 6/15 1889, 7/02 1890, 4/29    
430274 Phonogram-Blank 1888, 7/14 1890, 7/30 1890, 6/17    
430275 Magnetic Separator 1888, 9/12 1888, 9/20 1890, 6/17    
430276 Phonograph 1889, 1/12 1889, 1/15 1890, 6/17    
430277 Automatic Determining Device for Phonographs 1889, 2/1 1889, 2/11 1890, 6/17    
430278 Phonograph 1889, 4/08 1889, 4/10 1890, 6/17    
430279 Voltaic Battery 1889, 6/15 1889, 7/02 1890, 6/17    
430280 Magnetic Separator 1889, 7/20 1889, 7/29 1890, 6/17    
430570 Phonogram-Blank 1887, 11/22 1887, 11/26 1890, 6/17    
430932 Manufacture of Incandescent Lamps 1882, 10/14 1882, 10/20 1890, 6/24    
430933 Filament for Incandescent Lamps 1882, 11/03 1882, 11/09 1890, 6/24    
430934 Electric Lighting System 1883, 6/25 1883, 6/29 1890, 6/24    
431018 Dynamo or Magneto Electric Machine 1881, 2/03 1881, 2/21 1890, 6/24    
432586 Electric Generator 1888, 1/21 1888, 1/30 1890, 8/19    
434585 Telegraph Relay 1880, 7/29 1880, 8/09 1890, 8/19    
434587 Thermo-Electric Battery 1888, 1/21 1888, 1/30 1890, 8/19    
434588 Magnetic Ore Separator 1890, 1/16 1890, 1/20 1890, 8/19 W.K.L. Dickson  
434589 Propelling Mechanism for Electrical Vehicles 1890, 2/14 1890, 2/20 1890, 8/19    
435687 Means for Charging and Using Secondary Batteries 1881, 6/21 1881, 9/03 1890, 9/02    
435688 Process of and Apparatus for Generating Electricity 1883, 9/14 1883, 9/19 1890, 9/02    
435689 Telegraphy 1885, 11/30 1886, 2/19 1890, 9/02    
435690 Method of Making Armatures for Dynamo-Electric Machines 1888, 8/31 1888, 9/15 1890, 9/12    
436127 Electric Motor 1890, 5/17 1890, 5/24 1890, 9/09    
436968 Method of and Apparatus for Drawing Wire 1884, 6/02 1884, 6/10 1890, 9/23    
436969 Method of and Apparatus for Drawing Wire 1884, 6/02 1884, 6/10 1890, 9/23    
436970 Apparatus for Transmitting Power 1890, 6/02 1890, 6/10 1890, 9/23    
437422 Telegraphy 1885, 10/07 1885, 10/23 1890, 9/30    
437423 Phonograph 1888, 7/14 1888, 7/17 1890, 9/30    
437424 Phonograph 1888, 10/15 1888, 10/17 1890, 9/30    
437425 Phonograph-Recorder 1889, 2/1 1889, 2/11 1890, 9/30    
437426 Phonograph 1889, 7/20 1889, 8/10 1890, 9/30    
437427 Method of Making Phonograph Blanks 1890, 2/08 1890, 2/17 1890, 9/30    
437428 Propelling Device for Electrical Cars 1890, 4/29 1890, 5/05 1890, 9/30    
437429 Phonogram Blank 1890, 4/29 1890, 5/05 1890, 9/30    
438298 Manufacture of Incandescent Electric Lamps 1882, 11/28 1882, 12/08 1890, 10/14    
438299 Manufacture of Carbon Filaments 1883, 2/17 1883, 3/16 1890, 10/14    
438300 Gage for Testing Fibers for Incandescent-Lamp Carbons 1883, 6/01 1883, 6/07 1890, 10/14    
438301 System of Electric Lighting 1883, 6/25 1883, 6/29 1890, 10/14    
438302 Commutator for Dynamo- Electric Machines 1883, 7/27 1883, 10/10 1890, 10/14    
438303 Arc Lamp 1884, 6/02 1884, 6/10 1890, 10/14    
438304 Electric Signaling Apparatus 1884, 9/24 1884, 12/15 1890, 10/14    
438305 Fuse-Block 1885, 1/14 1885, 10/14 1890, 10/14    
438306 Telephone 1885, 12/22 1886, 2/19 1890, 10/14 Ezra T. Gilliland  
438307 Manufacture of Incandescent Electric Lamps 1886, 7/15 1886, 7/17 1890, 10/14    
438308 System of Electrical Distribution 1886, 11/09 1886, 12/06 1890, 10/14    
438309 Method of Insulating Electrical Conductors 1889, 4/25 1889, 5/11 1890, 10/14    
438310 Lamp-Base 1890, 4/25 1890, 5/05 1890, 10/14    
439389 Electric-Lighting Systems 1881, 7/1 1881, 8/30 1890, 10/28    
439390 System of Electric Lighting 1882, 6/19 1882, 6/26 1890, 10/28    
439391 Junction-Box for Electric Wires 1881, 12/05 1882, 8/07 1890, 10/28    
439392 Electric-Lighting System 1882, 8/12 1882, 8/22 1890, 10/28    
439393 Carbonizing Chamber 1882, 8/25 1882, 9/13 1890, 10/28    
443507 Phonograph 1889, 12/11 1889, 12/27 1890, 12/30    
444530 Leading-In Wire for Incandescent Lamps 1890, 9/12 1890, 9/15 1891, 1/31    
446666 System of Electric Lighting 1882, 6/19 1882, 6/26 1891, 2/17    
446667 Locomotive for Electric Railways 1881, 10/11 1882, 8/07 1891, 2/17    
446668 Electric-Arc Light 1882, 6/03 1882, 8/07 1891, 2/17    
446669 Manufacture of Filaments for Incandescent Electric Lamps 1883, 2/17 1883, 3/16 1891, 2/17    
448778 Electric Railway 1882, 8/05 1882, 8/07 1891, 3/24    
448779 Telegraph 1886, 7/15 1886, 7/19 1891, 3/24    
448780 Device for Turning Off Phonogram Blanks 1888, 6/30 1888, 7/07 1891, 3/24    
448781 Turning-Off Device for Phonographs 1888, 7/16 1888, 7/30 1891, 3/24    
450750 Phonograph-Recorder 1888, 7/14 1888, 7/17 1891, 4/21    
452913 Sextuplex Telegraph 1877, 5/31 1877, 6/02 1891, 5/16    
453601 Sextuplex Telegraph 1877, 5/31 1877, 6/02 1891, 6/02    
453741 Phonograph 1890, 7/05 1890, 7/30 1891, 6/09    
454262 Incandescent-Lamp Filament 1886, 10/26 1886, 10/27 1891, 6/16    
454558 Incandescent Electric Lamp 1881, 12/05 1882, 8/07 1891, 6/23    
454941 Phonograph Recorder or Reproducer 1890, 5/06 1890, 5/24 1891, 6/30    
454942 Phonograph 1890, 7/05 1890, 7/30 1891, 6/30    
456301 Phonograph-Doll 1890, 7/05 1890, 7/30 1891, 7/21    
456302 Phonograph 1890, 8/04 1890, 8/12 1891, 7/21    
457343 Magnetic Belting 1890, 9/06 1890, 9/10 1891, 8/11    
457344 Smoothing Tool for Phonograph Blanks 1890, 11/17 1890, 11/21 1891, 8/11    
459835 Manufacture of Incandescent Electric Lamps 1883, 1/13 1883, 1/22 1891, 9/22    
460122 Process of and Apparatus for Generating Electricity 1882, 5/01 1882, 5/26 1891, 9/29    
460123 Phonogram-Blank Carrier 1890, 11/17 1890, 11/21 1891, 9/29    
462540 Incandescent Electric Lamp 1889, 3/22 1889, 3/25 1891, 11/03    
464822 System of Distributing Electricity 1882, 6/19 1882, 6/28 1891, 12/08    
465250 Process of Extracting Copper Pyrites 1890, 2/08 1890, 2/17 1891, 12/15    
465251 Method of Bricking Fine Ores 1891, 7/31 1891, 8/24 1891, 12/15    
465970 Armature Connection for Motors or Generators 1891, 3/20 1891, 3/26 1891, 12/29    
465971 Means for Transmitting Signals Electrically 1885, 5/14 1885, 5/23 1891, 12/29    
465972 Phonograph 1889, 11/14 1889, 11/18 1891, 12/29    
465973 Armature for Dynamos or Motors 1891, 3/04 1891, 3/23 1891, 12/29    
466400 Cut-Out for Incandescent Lamps 1886, 10/26 1886, 10/27 1892, 1/05 John F. Ott  
466460 Art of Electrolytic Decomposition 1882, 5/19 1882, 5/26 1892, 1/05    
468949 Converter System for Electric Railways 1887, 2/07 1887, 3/08 1892, 2/16    
468950 Commutator-Brush for Electric Motors and Dynamos 1891, 3/20 1891, 4/04 1892, 2/16    
470922 Manufacture of Filaments for Incandescent Lamps 1883, 9/14 1883, 10/10 1892, 3/15    
470923 Railway-Signaling 1887, 8/09 1887, 8/19 1892, 3/15    
470924 Electric Conductor 1887, 9/26 1887, 9/30 1892, 3/15    
470925 Manufacture of Filaments for Incandescent Lamps 1888, 6/21 1888, 7/02 1892, 3/15    
470926 Dynamo-Electric Machine or Motor 1891, 2/04 1891, 2/24 1892, 3/15    
470927 Driving Mechanism for Cars 1891, 3/04 1891, 3/26 1892, 3/15    
470928 Alternating-Current Generator 1891, 7/31 1891, 8/25 1892, 3/15    
470929 Magnetic Separator 1891, 8/28 1891, 10/01 1892, 3/15    
470930 Dynamo-Electric Machine 1891, 10/08 1891, 10/10 1892, 3/15    
471268 Ore-Conveyor and Method of Arranging Ore Thereon 1891, 8/28 1891, 10/01 1892, 3/22    
472288 Dust-Proof Bearing for Shafts 1891, 8/28 1891, 10/01 1892, 4/05    
472752 Dust-Proof Journal-Bearing 1891, 8/28 1891, 10/01 1892, 4/12    
472753 Ore-Screening Apparatus 1891, 8/28 1891, 10/01 1892, 4/12    
474230 Speaking Telegraph 1877, 4/18 1877, 4/27 1892, 5/03    
474231 Speaking Telegraph 1877, 7/09 1877, 7/20 1892, 5/03    
474232 Speaking-Telegraph 1886, 2/17 1886, 2/18 1892, 5/03    
474591 Process of Extracting Gold from Sulfide Ores 1888, 9/12 1888, 9/20 1892, 5/10    
474592 Ore-Conveying Apparatus 1891, 8/28 1891, 10/01 1892, 5/10    
474593 Dust-Proof Swivel Shaft-Bearing 1891, 8/28 1891, 10/08 1892, 5/10    
475491 Electric Locomotive 1891, 6/03 1891, 6/09 1892, 5/24    
475492 Electric Locomotive 1891, 6/03 1891, 6/09 1892, 5/24    
475493 Electric Locomotive 1891, 6/03 1891, 6/09 1892, 5/24    
475494 Electric Railway 1891, 6/03 1891, 6/09 1892, 5/24    
476527 System of Electric Lighting 1882, 6/12 1882, 8/07 1892, 6/07    
476528 Incandescent Electric Lamp 1883, 2/17 1883, 3/16 1892, 6/07    
476529 System of Electrical Distribution 1883, 7/27 1883, 10/10 1892, 6/07    
476530 Incandescent Electric Lamp 1887, 6/01 1887, 6/04 1892, 6/07    
476531 Electric-Lighting System 1881, 4/22 1881, 4/26 1892, 6/07    
476532 Ore-Screening Apparatus 1891, 10/08 1891, 10/15 1892, 6/07    
476983 Pyromagnetic Generator 1887, 5/24 1887, 6/13 1892, 6/14    
476984 Expansible Pulley 1890, 8/09 1890, 8/28 1892, 6/14    
476985 Trolley for Electric Railways 1890, 10/27 1890, 11/21 1892, 6/14    
476986 Means for Propelling Electric Cars 1891, 2/24 1891, 3/02 1892, 6/14    
476987 Electric Locomotive 1891, 2/24 1891, 3/02 1892, 6/14    
476988 Lightning-Arrester 1891, 7/31 1891, 8/14 1892, 6/14    
476989 Conductor for Electric Railways 1891, 7/31 1891, 8/14 1892, 6/14    
476990 Electric Meter 1891, 7/31 1891, 8/25 1892, 6/14    
476991 Method of and Apparatus for Separating Ores 1888, 5/09 1888, 5/21 1892, 6/14    
476992 Incandescent Electric Lamp 1891, 1/20 1891, 1/24 1892, 6/14    
476993 Electric-Arc Lamp 1891, 7/31 1891, 10/01 1892, 6/14    
478743 Telephone-Repeater 1884, 12/31 1885, 10/14 1892, 7/12    
479184 Fac-simile Telegraph 1881, 7/26 1881, 12/06 1892, 7/19 Patrick Kenny  
480567 Duplex Telegraph 1874, 8/19 1874, 9/01 1892, 8/09    
482549 Means for Controlling Electric Generation 1881, 3/02 1881, 3/12 1892, 9/13    
484183 Electrical Depositing-Meter 1891, 7/31 1891, 8/25 1892, 6/14    
484184 Manufacture of Carbon Filaments 1886, 10/26 1886, 10/27 1892, 10/11    
484185 Manufacture of Carbon Filaments 1886, 12/20 1886, 12/27 1892, 10/11    
484528 Duplicating Phonograms 1888, 1/17 1888, 1/30 1892, 10/18    
484583 Phonograph Cutting-Tool 1890, 5/24 1890, 5/27 1892, 10/18    
484584 Phonograph-Reproducer 1890, 5/24 1890, 5/27 1892, 10/18    
484585 Phonograph 1890, 7/05 1890, 7/30 1892, 10/18    
485615 Manufacture of Carbon Filaments 1886, 11/26 1886, 12/06 1889, 9/17    
485616 Manufacture of Carbon Filaments 1886, 12/06 1886, 12/15 1892, 11/08    
485617 Incandescent Lamp Filaments 1888, 7/14 1888, 7/17 1892, 11/08    
485840 Method of Bricking Fine Iron Ores 1891, 7/31 1891, 8/24 1891, 12/15    
485841 Method of Magnetically Separating Ores 1892, 7/09 1892, 7/20 1892, 11/08    
485842 Method of Magnetic-Ore Separation 1892, 7/09 1892, 7/20 1892, 11/08    
486634 System of Railway Signaling 1885, 3/27 1885, 4/07 1892, 11/22 Ezra T, Gilliland  
488189 Phonograph 1888, 5/26 1888, 5/29 1892, 3/15    
488190 Phonograph Reproducer 1888, 5/22 1888, 6/07 1892, 12/20    
488191 Phonogram-Blank 1889, 1/10 1889, 1/19 1892, 12/20    
490953 Art of Generating Electricity 1883, 10/09 1883, 11/01 1893, 1/31    
490954 Manufacture of Carbon Filaments for Electric Lamps 1886, 11/02 1886, 11/06 1893, 1/31    
491992 Cut-Out for Incandescent Electric Lamps 1891, 11/10 1891, 11/12 1893, 2/21    
491993 Stop Device 1892, 4/05 1892, 4/11 1893, 2/21    
492150 Process of Coating Conductors for Incandescent Lamps 1882, 10/19 1882, 10/26 1893, 2/21    
492789 Speaking Telegraph 1877, 8/31 1877, 9/05 1893, 3/07    
493425 Electric Locomotive 1890, 12/20 1891, 1/19 1893, 3/14    
493426 Apparatus for Exhibiting Photographs of Moving Objects 1891, 7/31 1891, 8/24 1893, 3/14    
493858 Transmission of Power 1890, 8/09 1890, 8/28 1893, 3/21    
496191 Phonograph 1891, 2/04 1891, 2/09 1893, 4/25    
498385 Roller for Crushing Ore or Other Material 1891, 8/28 1891, 10/01 1893, 5/30    
499879 Phonograph 1888, 7/27 1888, 7/30 1893, 6/20    
500280 Phonograph 1890, 10/27 1890, 11/21 1893, 6/27    
500281 Phonograph 1890, 11/17 1890, 11/21 1893, 6/27    
500282 Phonograph 1890, 12/1 1890, 12/03 1893, 6/27    
506215 Method of Making Plate Glass 1887, 11/09 1887, 11/11 1893, 10/10    
506216 Apparatus for Making Glass 1889, 6/29 1889, 7/02 1893, 10/10    
509428 Composition Brick and Method of Making Same 1893, 3/15 1893, 3/17 1893, 11/28    
509517 System of Electrical Distribution 1883, 11/15 1883, 12/12 1893, 11/28    
509518 Electric Railway 1891, 7/31 1891, 8/14 1893, 11/28    
512872 Sextuplex Telegraph 1877, 5/31 1877, 6/02 1894, 1/16    
513095 Phonograph 1889, 12/11 1889, 12/27 1894, 1/23    
513096 Method of and Apparatus for Mixing Materials 1892, 8/24 1892, 8/29 1894, 1/23    
513097 Phonograph 1893, 5/22 1893, 5/24 1894, 1/23    
524136 Regulator for Dynamo-Electric Machines 1881, 9/27 1881, 11/11 1894, 8/07    
524378 System of Electrical Distribution 1886, 11/09 1886, 12/06 1894, 8/14    
525007 Manufacture of Carbon Filaments 1886, 12/06 1886, 12/15 1904, 8/28    
525888 Manufacture of Carbons for Electric Lamps 1880, 3/10 1880, 3/20 1894, 9/19    
526147 Art of Plating One Material with Another 1884, 1/22 1884, 1/28 1894, 9/18    
534206 Filament for Incandescent Lamps 1883, 12/15 1884, 1/04 1895, 2/12    
534207 Manufacture of Carbon Filaments 1886, 12/20 1886, 12/27 1895, 2/12    
534208 Induction-Converter 1888, 5/07 1888, 5/21 1895, 2/12    
541923 Phonograph 1890, 10/27 1890, 11/21 1895, 6/02    
541924 Phonograph 1890, 11/17 1890, 12/03 1895, 7/02    
543209 Incandescent Electric Lamp 1890, 9/13 1890, 9/17 1895, 2/12    
543985 Incandescent Conductor for Electric Lamps 1882, 6/03 1882, 8/07 1895, 8/06    
543986 Process of Treating and Products Derived from Vegetable Fibers 1882, 10/17 1882, 10/20 1895, 8/06    
543987 Filament for Incandescent Lamps 1882, 10/17 1882, 10/20 1895, 8/06    
545405 System of Electrical Distribution 1887, 8/26 1887, 8/29 1895, 8/27    
563462 Method of and Apparatus for Drawing Wire 1887, 10/17 1887, 10/21 1896, 7/07    
564423 Process of Separating Ores 1892, 6/27 1892, 7/02 1896, 7/21    
567187 Crushing Roll 1893, 12/13 1893, 12/19 1896, 9/08    
575151 Phonograph 1890, 12/01 1890, 12/03 1897, 1/12    
589168 Kinetographic Camera 1891, 7/31 1891, 8/24 1897, 8/31    
602064 Conveyor 1893, 12/13 1893, 12/19 1898, 4/12    
604740 Governor for Motors 1897, 1/25 1897, 1/27 1898, 5/31    
605475 Drying Apparatus 1897, 6/10 1897, 6/29 1898, 6/14    
605667 Phonograph 1890, 12/1 1890, 12/03 1898, 6/14    
605668 Mixer 1897, 6/10 1897, 6/29 1898, 6/14    
607588 Phonograph 1897, 1/25 1897, 1/27 1898, 7/19    
609268 Phonograph 1890, 12/06 1890, 12/15 1898, 8/16    
610706 Phonograph 1890, 12/1 1890, 12/03 1898, 9/30    
622843 Phonograph 1890, 12/01 1890, 12/03 1899, 4/11    
624457 Phonograph 1899, 9/12 1899, 9/21 1900, 6/26    
626460 Filament for And Process of Incandescent Lamps 1898, 3/29 1898, 3/31 1899, 6/06    
637327 Rolls 1897, 5/14 1897, 7/16 1899, 11/21    
641281 Expanding Pulley 1899, 4/10 1899, 4/24 1900, 1/16 Charles M. Johnson  
643764 Method of Reheating Compressed Air for Industrial Purposes 1899, 2/24 1899, 2/27 1900, 2/20    
648933 Drier 1898, 4/11 1898, 5/23 1900, 5/08    
648934 Process of Screening or Sizing Very Fine Materials 1899, 2/06 1899, 3/17 1900, 5/08    
648935 Apparatus for Duplicating Phonograph Records 1899, 10/27 1899, 10/28 1900, 5/08    
655480 Phonographic Reproducing Device 1900, 4/30 1900, 5/03 1900, 8/07    
657527 Process of Making Metallic Duplicate Phonograph-Records 1900, 4/30 1900, 5/04 1900, 9/11    
657922 Apparatus for Reheating Compressed Air for Industry 1899, 12/09 1899, 12/12 1900, 9/18    
659389 Electric Meter 1898, 9/19 1898, 9/24 1900, 10/09    
660293 Electric Meter 1899, 3/23 1899, 9/16 1900, 10/23    
660845 Apparatus for Sampling, Averaging, Mixing, and Storing Materials in Bulk 1900, 1/09 1900, 1/11 1900, 10/30    
661238 Machine Forming Pulverized Material Into Briquettes 1898, 4/11 1898, 5/23 1900, 11/06    
662063 Process of Sampling, Averaging, Mixing, and Storing Materials in Bulk 1900, 1/09 1900, 1/11 1900, 11/20    
663015 Electric Meter 1899, 2/06 1899, 3/17 1900, 12/04    
667201 Flight Conveyer 1897, 6/10 1897, 6/29 1901, 2/05    
667202 Apparatus for Duplicating Phonograph Records 1900, 4/30 1900, 5/08 1901, 2/05    
667622 Process of Duplicating Phonograph Records 1900, 4/30 1900, 5/08 1901, 2/05    
671314 Lubricating Journal-Bearings 1897, 6/10 1897, 6/29 1901, 4/02    
671315 Conveyer 1897, 6/10 1897, 6/29 1901, 4/02    
671316 Apparatus for Screening or Rescreening Fine Materials 1900, 2/23 1900, 3/07 1901, 4/02    
671317 Method of Screening or Rescreening Fine Materials 1900, 3/28 1900, 3/31 1901, 4/02    
672616 Method of Breaking Rock 1897, 5/14 1897, 7/16 1901, 4/23    
672617 Apparatus for Breaking Rock 1900, 8/01 1900, 8/09 1901, 4/23    
674057 Grinding or Crushing rolls 1898, 4/11 1898, 5/23 1901, 5/14    
675056 Magnetic Separator 1897, 5/14 1897, 6/12 1901, 5/28    
675057 Apparatus for Screening Pulverized Material 1897, 6/10 1897, 6/29 1901, 5/28    
676225 Phonographic Recording Apparatus 1900, 8/10 1900, 8/18 1901, 6/11    
676618 Magnetic Separator 1897, 5/14 1897, 7/16 1901, 6/18    
676840 Magnetic Separating Apparatus 1900, 1/03 1900, 1/09 1901, 6/18    
676841 Magnetic Separating Apparatus 1900, 6/11 1900, 7/02 1901, 6/18    
678722 Reversible Galvanic Battery 1901, 6/17 1901, 6/22 1901, 7/16    
679500 Apparatus for Screening or Sizing Very Fine Materials 1900, 1/24 1900, 1/31 1901, 7/30    
680520 Process of Making Duplicate Phonograph Records 1900, 7/23 1900, 8/18 1901, 8/13    
684204 Reversible Galvanic Battery 1900, 10/15 1900, 10/31 1901, 10/08    
684205 Reversible Galvanic Battery 1901, 6/17 1901, 6/20 1901, 10/08    
685911 Apparatus for Reheating Compressed Air for Industrial Purposes 1899, 11/24 1899, 12/06 1901, 11/05    
688610 Phonograph Recording Apparatus 1899, 2/10 1899, 3/17 1901, 12/10    
692507 Reversible Galvanic Battery 1901, 6/17 1901, 6/20 1902, 2/04    
700136 Reversible Galvanic Battery 1901, 2/18 1901, 3/05 1902, 5/13    
700137 Reversible Galvanic Battery 1901, 2/23 1901, 3/05 1902, 3/13    
701804 Reversible Galvanic Battery 1901, 6/12 1901, 6/20 1902, 6/03    
703051 Electric Meter 1900, 9/28 1900, 10/15 1902, 6/24    
703562 Apparatus for Bricking Pulverized Material 1898, 4/11 1898, 5/23 1902, 7/1    
703744 Reproducer for Phonographs 1898, 3/21 1898, 3/24 1902, 7/01    
704010 Apparatus for Concentrating Magnetic Iron Ores 1898, 4/11 1898, 5/23 1902, 7/08    
704303 Reversible Galvanic Battery 1900, 12/22 1901, 1/08 1902, 7/08    
704304 Reversible Galvanic Battery 1901, 2/23 1901, 3/03 1902, 7/08    
704305 Electrode for Batteries 1901, 5/10 1901, 5/17 1902, 7/08    
704306 Reversible Galvanic Battery 1901, 6/17 1901, 6/20 1902, 7/08    
705829 Reproducer for Sound - Records 1901, 10/24 1901, 11/08 1902, 7/29    
713209 Process of Duplicating Phonograms 1898, 2/21 1898, 3/05 1902, 11/11    
713863 Process of Coating Phonograph Records 1900, 5/15 1900, 6/16 1902, 11/18    
721682 Reversible Galvanic Battery 1902, 11/13 1902, 11/28 1902, 3/03    
721870 Funnel for Filling Storage Battery Cans or Analogous Purposes 1902, 11/13 1902, 11/28 1903, 3/24    
722502 Means for Handling Cable Drawn Cars on Inclines 1902, 12/18 1903, 1/09 1903, 3/10    
723449 Electrode for Storage Batteries 1902, 11/13 1902, 11/28 1903, 3/24    
723450 Reversible Galvanic Battery 1902, 11/13 1902, 11/28 1903, 3/24    
724089 Means for Operating Motors in Dust Laden Atmospheres 1902, 12/18 1903, 1/09 1903, 3/31    
727116 Grinding Rolls 1899, 6/15 1899, 7/01 1903, 5/05    
727117 Reversible Galvanic Battery 1902, 9/29 1902, 10/03 1903, 5/05    
727118 Process of Manufacturing Electrolytically Active Finely Divided Iron 1902, 10/13 1902, 10/21 1903, 5/05    
734522 Process of Nickel-Plating 1902, 2/11 1902, 2/14 1903, 7/28    
750102 Electrical Automobile 1902, 12/18 1903, 1/09 1904, 1/19    
754755 Compressing-Dies 1902, 11/13 1902, 11/28 1904, 3/15    
754756 Process of Separating Ores from Magnetic Gangue 1903, 5/25 1903, 5/29 1904, 3/15    
754858 Storage Battery Tray 1902, 11/13 1902, 11/28 1904, 3/15    
754859 Reversible Galvanic Battery 1902, 11/13 1902, 11/28 1904, 3/15    
758432 Stock-House Conveyer 1902, 12/18 1903, 1/09 1906, 4/26    
759356 Method of Burning Portland-Cement Clinker, etc. [sic] 1900, 4/10 1900, 4/19 1904, 5/10    
759357 Apparatus for Burning Portland Cement Clinker, etc. [sic] 1900, 4/10 1900, 4/19 1904, 5/10    
759358 Magnetic Separating Apparatus 1900, 6/11 1900, 6/21 1904, 5/10    
764183 Method of Separating Mechanically Entrained Globules from Gases 1902, 11/13 1902, 11/28 1904, 6/05    
766815 Primary Battery 1903, 11/16 1903, 11/18 1904, 8/09    
767216 Apparatus for Vacuously Depositing Metals 1903, 7/30 1903, 8/01 1904, 8/09    
767554 Method of Rendering Storage-Battery Gases Non-Explosive 1904, 6/08 1904, 6/13 1904, 8/16    
772647 Photographic Film for Moving Picture Machines 1903, 1/30 1903, 3/05 1904, 10/18    
772648 Vehicle-Wheel 1903, 8/25 1903, 8/28 1904, 10/18    
775600 Rotary Cement Kiln 1903, 7/20 1903, 7/22 1904, 11/22    
775965 Dry Separator 1903, 4/27 1903, 5/04 1904, 11/29    
785297 Gas-Separator for Storage Batteries 1904, 7/18 1904, 8/16 1905, 3/21    
790351 Process of Duplicating Phonographic Records 1903, 1/30 1903, 2/11 1905, 5/23    
796629 Lamp-Guard 1903, 7/30 1903, 8/01 1905, 8/08    
797845 Sheet Metal for Perforated Pockets of Storage Batteries 1904, 7/12 1904, 7/21 1905, 8/22    
800800 Phonograph-Record and Method of Making the Same 1904, 6/24 1904, 6/29 1905, 10/03    
802631 Apparatus for Burning Portland Cement Clinker 1902, 11/13 1902, 12/05 1905, 10/24    
804799 Apparatus for Perforating Sheet Metal 1905, 3/17 1905, 3/20 1905, 11/14    
813490 Cement-Kiln 1904, 10/29 1904, 11/02 1906, 2/27    
813491 Pocket-Filling Machine 1905, 5/15 1905, 5/16 1906, 2/27    
817162 Process of Treating Alkaline Storage Batteries 1904, 9/26 1904, 9/29 1906, 4/10    
821032 Storage Battery 1904, 8/10 1904, 9/28 1906, 3/22    
821622 Process of Cleaning Metallic Surfaces 1904, 6/24 1904, 6/29 1906, 5/29    
821623 Storage-Battery-Filling Apparatus 1904, 11/01 1904, 11/02 1906, 5/29    
821624 Gas-Separator for Storage Batteries 1904, 10/29 1904, 11/02 1906, 5/29    
821625 Process of Treating Alkaline Storage Batteries 1904, 10/29 1904, 11/05 1906, 5/29    
821626 Process of Making Metallic Films or Flakes 1905, 3/29 1905, 3/30 1906, 5/29    
821627 Process of Making Metallic Flakes or Scales 1905, 3/29 1905, 3/30 1906, 5/29    
821628 Process for Making Conducting-Films 1905, 5/20 1905, 5/24 1906, 3/29    
827089 Calcimining-Furnace 1901, 12/24 1902, 1/02 1906, 7/31    
827297 Alkaline Battery 1904, 7/12 1904, 7/21 1906, 7/31    
827717 Process of Making Composite Metals 1905, 3/29 1905, 3/30 1906, 8/07    
831269 Storage-Battery Electrode-Plate 1903, 1/30 1903, 3/05 1906, 9/18    
831606 Sound Recording Apparatus 1901, 10/24 1901, 11/08 1906, 9/25    
832219 Automatic Weighing and Mixing Apparatus 1902, 12/18 1903, 1/09 1906, 10/02    
839371 Method of Coating Active Material with Flake-Like Conducting Material 1905, 3/29 1905, 3/30 1906, 12/25    
839372 Phonograph Record or Blank 1905, 4/29 1905, 4/29 1906, 12/25    
841677 Apparatus for Grinding and Separating Fine Materials 1903, 1/22 1903, 1/29 1907, 1/22    
847746 Electrical Welding Apparatus 1904, 7/12 1904, 7/21 1907, 3/19    
850881 Composite Metal 1906, 1/19 1906, 1/20 1907, 4/16    
850912 Process of Making Articles by Electroplating 1903, 10/03 1903, 10/05 1907, 4/23    
850913 Secondary Battery 1905, 12/06 1905, 12/07 1907, 4/23    
852424 Secondary Battery 1902, 11/13 1902, 11/28 1907, 5/07    
854200 Process of Making Storage-Battery Electrodes 1905, 3/29 1905, 3/30 1907, 5/21    
855562 Diaphragm for Talking-Machines 1907, 2/23 1907, 3/06 1907, 6/04    
857041 Can or Receptacle for Storage Batteries 1903, 10/03 1903, 10/10 1907, 1/18    
857929 Storage-Battery Electrode 1905, 3/29 1905, 3/30 1907, 6/25    
858862 Primary and Secondary Battery 1906, 1/09 1906, 1/10 1907, 7/02    
860195 Storage-Battery Electrode 1905, 4/26 1905, 4/28 1907, 7/16    
861241 Portland Cement and Process of Manufacturing the Same 1904, 6/20 1904, 6/28 1907, 7/23    
861242 Can or Receptacle for Storage Batteries 1904, 8/10 1904, 8/16 1907, 7/23    
861819 Discharging Apparatus for Belt Conveyers 1907, 6/11 1907, 6/14 1907, 7/30    
862145 Process of Making Seamless Tubular Pockets or Receptacles for Storage Battery Electrodes 1905, 4/26 1905, 4/28 1907, 8/06    
865367 Fluorescent Electric Lamp 1896, 5/16 1896, 5/19 1907, 9/10    
865687 Process of Making Nickel Films 1907, 1/18 1907, 1/19 1907, 9/10    
865688 Process of Making Metallic Films or Flakes 1907, 1/11 1907, 1/19 1907, 9/10    
870024 Apparatus for Producing Perforated Strips 1905, 3/23 1905, 3/24 1907, 11/05    
871214 Reversible Galvanic Battery 1900, 10/15 1900, 10/31 1907, 11/19    
873219 Feed-Regulator for Grinding Machines 1902, 12/18 1903, 1/13 1907, 12/10    
873220 Reversible Galvanic Battery 1903, 11/20 1903, 11/23 1907, 12/10    
876445 Electrolyte for Alkaline Storage Batteries 1907, 5/08 1907, 5/10 1908, 1/14    
879612 Alkaline Storage Battery 1904, 6/24 1904, 6/29 1908, 2/18    
879859 Apparatus for Producing Very Thin Sheet Metal 1905, 2/16 1905, 3/01 1908, 2/25    
880484 Process of Producing Very Thin Sheet Metal 1904, 6/24 1904, 6/29 1908, 2/25    
880978 Electrode Element for Storage Batteries 1905, 10/31 1905, 11/02 1908, 3/03    
880979 Method of Making Storage-Battery Electrodes 1905, 10/31 1905, 11/02 1908, 3/03    
882144 Storage-Battery Electrode 1905, 3/29 1905, 3/30 1908, 3/17    
890625 Apparatus for Grinding Coal 1906, 11/23 1906, 11/27 1908, 6/16    
896811 Metallic Film for Use with Storage-Battery Electrodes and Process of Preparing the Same 1908, 2/04 1908, 2/06 1908, 8/25    
896812 Storage Battery 1908, 3/13 1908, 3/18 1908, 8/25    
898404 Process of Making Articles by Electroplating 1906, 11/02 1906, 11/03 1908, 9/08    
898633 Filling Apparatus for Storage-Battery Jars & Etc. 1903, 12/08 1903, 12/10 1908, 9/15    
909167 Waterproofing-Paint for Portland-Cement Buildings 1908, 2/04 1908, 2/06 1909, 1/12    
909169 Waterproofing-Paint for Portland Cement Structure 1908, 5/27 1908, 6/01 1909, 1/12    
909806 Waterproofing Fibers and Fabrics 1908, 5/27 1908, 6/01 1909, 1/12    
909877 Telegraphy 1907, 6/18 1907, 6/20 1909, 1/19    
914342 Storage Battery 1905, 12/06 1905, 12/07 1909, 3/02    
914343 Process of Making Storage-Battery Electrodes 1907, 5/15 1907, 5/17 1909, 3/02    
914372 Process for Making Thin Metallic Flakes 1906, 7/13 1906, 7/14 1909, 3/02    
923633 Shaft-Coupling 1906, 9/11 1906, 9/13 1909, 6/01    
930946 Apparatus for Burning Portland Cement 1906, 10/22 1906, 10/24 1909, 8/10    
930947 Gas-Purifier 1909, 2/15 1909, 3/27 1909, 8/10    
930948 Apparatus for Burning Portland Cement 1906, 11/16 1906, 11/26 1909, 8/10    
930949 Apparatus for Burning Portland Cement 1906, 11/16 1906, 11/26 1909, 8/10    
936267 Feed Mechanism for Phonographs and Other Machines 1907, 1/11 1907, 1/17 1909, 10/05    
936433 Tube-Filling and Tamping Machine 1905, 10/12 1905, 10/14 1909, 10/12    
936525 Process of Making Metallic Films or Flakes 1907, 1/17 1907, 1/18 1909, 10/12    
939817 Cement Kiln 1907, 2/08 1907, 3/08 1909, 11/09    
939992 Phonographic Recording and Reproducing Machine 1907, 2/25 1907, 3/16 1909, 11/16    
940635 Electrode Element for Storage Batteries 1908, 2/04 1908, 2/06 1909, 11/16    
941630 Process and Apparatus for Artificially Aging or Seasoning Portland Cement 1907, 2/25 1907, 4/02 1909, 11/30    
943663 Horn for Talking-Machines 1905, 5/20 1905, 5/24 1909, 12/21    
943664 Sound-Recording Apparatus 1903, 11/16 1903, 11/18 1909, 12/21    
944481 Process and Apparatus for Artificially Aging or Seasoning Portland Cement 1908, 3/13 1908, 3/23 1909, 12/28    
946540 Storage Battery 1908, 3/13 1908, 3/23 1910, 1/18    
947806 Automobile 1908, 3/13 1908, 4/17 1910, 2/01    
948542 Method of Treating Cans Of Alkaline Storage Batteries 1904, 9/28 1904, 9/29 1910, 2/08    
948558 Storage-Battery Electrode 1906, 11/28 1906, 12/03 1910, 2/08    
950226 Phonographic Recording Apparatus 1905, 5/20 1905, 5/24 1910, 2/22    
950227 Apparatus for Making Metallic Films or Flakes 1905, 10/10 1905, 10/12 1910, 2/22    
954789 Sprocket-Chain Drive 1907, 6/11 1907, 6/26 1910, 4/12    
956317 Tube-Sealing Machine 1905, 10/12 1905, 10/14 1910, 4/26    
962081 Apparatus for Recording Sounds 1903, 11/11 1903, 11/13 1910, 6/21    
962822 Crushing Roll 1906, 9/04 1906, 9/07 1910, 6/28    
962823 Crushing-Rolls 1906, 9/11 1906, 9/18 1910, 6/28    
963362 Apparatus for Recording or Reproducing Sounds 1905, 5/20 1905, 5/24 1910, 7/05    
964096 Process of Electroplating 1906, 2/24 1906, 3/19 1910, 7/12    
964097 Device for Viewing Moving Pictures 1908, 11/11 1908, 11/19 1910, 7/12    
964221 Sound-Record 1906, 12/28 1907, 1/03 1910, 7/12    
967178 Tube Forming Machine 1905, 10/16 1905, 10/17 1910, 8/16 John F. Ott  
970615 Method and Apparatus for Making Sound-Records 1904, 8/23 1904, 8/30 1910, 9/20    
970616 Flying Machine 1908, 8/20 1908, 11/16 1910, 9/20    
975339 Process of Duplicating Talking-Machines Records 1907, 2/23 1907, 4/04 1910, 11/08    
975340 Phonograph-Reproducers 1908, 3/13 1908, 3/23 1910, 11/08    
976791 Storage Battery Electrodes 1905, 4/26 1905, 4/28 1910, 11/22    
976792 Storage Battery 1910, 5/19 1910, 5/24 1910, 11/22    
991433 Bucket Conveyer 1907, 6/11 1907, 6/14 1911, 5/02    
993294 Device for Feeding Pulverulent Material 1908, 6/08 1908, 6/11 1911, 5/23    
996070 Rotary Kiln 1908, 10/10 1908, 10/14 1911, 6/27    
996625 Phonograph-Reproducer 1908, 3/13 1908, 3/18 1911, 7/04    
999762 Storage Battery and Process of Treating the Same 1908, 3/13 1908, 3/20 1911, 8/08    
1002504 Crushing and Separating Fine Materials 1909, 1/27 1909, 2/06 1911, 9/05    
1002505 Composition for Sound Records and Other Objects 1911, 1/25 1911, 1/27 1911, 9/05    
1012250 Recording-Telephone 1905, 9/14 1905, 9/15 1911, 12/19    
1012828 Storage Battery 1910, 5/19 1910, 5/24 1911, 12/26    
1013869 Bearing 1908, 3/13 1908, 3/23 1912, 1/09    
1014818 Giants Rolls 1902, 12/18 1903, 1/13 1912, 1/16    
1016375 Electroplating 1911, 7/24 1911, 7/28 1912, 2/06    
1016874 Means and Method for Preventing Depletion of Electrolyte 1911, 6/16 1911, 6/21 1912, 2/06    
1019440 Phonograph-Reproducer 1908, 6/08 1908, 6/11 1912, 3/05    
1019441 Sound-Recording Apparatus 1910, 4/14 1910, 4/20 1912, 3/05    
1020485 Phonograph Reproducer 1908, 12/21 1908, 12/29 1912, 3/19    
1024839 Phonographic Recording-Stylus 1906, 12/28 1907, 1/03 1912, 4/30    
1034002 Storage Battery 1911, 1/25 1911, 1/27 1912, 7/30    
1034003 Battery Cell Container 1911, 1/25 1911, 1/27 1912, 7/30    
1036470 Phonographic Apparatus 1909, 11/01 1909, 11/03 1912, 8/20    
1036471 Storage Battery 1910, 5/31 1910, 6/06 1912, 8/20    
1041756 Conveyer 1907, 11/19 1907, 11/22 1912, 10/22    
1041983 Phonograph-Stylus 1910, 5/02 1910, 5/12 1912, 10/22    
1046159 Phonograph-Reproducer 1908, 6/08 1908, 6/11 1912, 12/03    
1046414 Phonograph Determining Device 1910, 5/31 1910, 6/02 1912, 12/03    
1050355 Phonograph 1909, 8/07 1909, 8/12 1913, 1/14    
1050436 Apparatus for Producing Rubber Strips 1910, 6/30 1910, 7/01 1913, 1/14    
1050629 Art of Separating Copper from Other Metals 1911, 5/01 1911, 5/09 1913, 1/14    
1050630 Art of Separating Copper from Other Metals 1911, 5/12 1911, 5/18 1913, 1/14    
1052656 Phonograph - Reproducer 1909, 10/26 1909, 10/28 1913, 2/11    
1055524 Dumping Mechanism 1911, 11/28 1911, 12/30 1913, 3/19    
1055621 Reproducer 1911, 5/16 1911, 5/18 1913, 3/11    
1056517 Means for Reproducing Sound 1909, 12/04 1909, 12/08 1913, 3/18    
1059661 Manufacture of Portland Cement 1906, 5/07 1906, 5/08 1913, 4/22    
1065597 Cement-Burning Kiln 1906, 1/24 1906, 1/27 1913, 6/24    
1073107 Storage Battery 1911, 12/30 1912, 1/11 1913, 9/16    
1078264 Phonographic Recording or Reproducing Apparatus 1907, 2/25 1907, 3/16 1913, 11/11    
1078265 Process of Making Phonograph Records 1908,10/10 1908, 10/14 1913, 11/11    
1078266 Sound-Box 1911, 4/03 1911, 4/05 1913, 11/11    
1083353 Production of Perforated Strips 1910, 6/20 1910, 7/01 1914, 1/06    
1083354 Insulating Compound 1911, 1/25 1911, 1/27 1914, 1/06    
1083355 Art of Forming Chemical Compounds 1891, 4/07 1911, 4/08 1914, 1/06    
1083356 Storage Battery 1891, 4/07 1911, 4/08 1914, 1/06    
1099241 Rectifier 1910, 10/04 1910, 10/07 1914, 1/09    
1099346 Phonograph -Reproducer 1909, 10/26 1909, 10/28 1914, 6/09    
1099347 Phonograph -Reproducer 1909, 10/26 1909, 10/28 1914, 6/09    
1099348 Phonograph-Reproducer 1909, 10/28 1909, 10/29 1914, 6/09    
1099349 Method of Making Sound-Record Molds 1912, 1/02 1912, 1/06 1914, 6/09    
1106444 Fuel-Feeding Apparatus 1907, 11/25 1907, 11/29 1914, 8/11    
1110382 Sound-Modifier 1910, 12/07 1910, 12/09 1914, 9/15    
1110428 Process of Forming Phonograph Styli 1910, 3/19 1910, 3/23 1914, 9/15    
1111999 Phonograph-Record 1912, 1/19 1912, 1/20 1914, 9/29    
1115463 Electrode Element 1910, 6/13 1910, 6/17 1914, 10/27    
1118114 Method of Making Molds for Sound-Record 1911, 6/08 1911, 6/10 1914, 11/24    
1119141 Sound Reproducer 1910, 11/09 1910, 11/14 1910, 12/14    
1119142 Sound-Record 1911, 4/03 1911, 4/05 1914, 12/01    
1123261 Mold for Concrete Construction 1908, 12/22 1908, 12/29 1915, 1/05    
1126428 Sound-Recording Apparatus 1910, 6/07 1910, 6/09 1915, 1/26    
1130156 Machine for Shaving Sound Records or Blanks 1911, 6/20 1911, 6/22 1915, 3/02    
1138360 Method of Presenting the Illusion of Scenes in Colors 1913, 6/13 1913, 6/16 1915, 5/04    
1142507 Sound-Recording Apparatus 1910, 10/17 1910, 10/20 1915, 6/08    
1143818 Charging Storage Batteries 1912, 1/12 1912, 1/17 1915, 6/22    
1146413 Method of Producing Tablets for Sound Records 1911, 12/19 1911, 12/20 1913, 7/13    
1146414 Method of Making Phonograph-Records 1914, 8/26 1914, 8/27 1913, 7/13    
1148832 Means for Utilizing the Waste Heat in Kilns 1908, 11/21 1908, 11/25 1915, 8/03    
1152613 Method of Burning Portland-Cement Clinker 1905, 9/28 1905, 9/29 1915, 9/07    
1152614 Phonographic Recording Apparatus 1910, 1/26 1910, 1/27 1915, 9/07    
1152615 Alternating-Current-Rectifying System 1912, 6/10 1912, 6/13 1915, 9/07    
1152616 Contact for Electrical Apparatus 1912, 6/10 1912, 6/13 1915, 9/07    
1158659 Phonograph Record 1909, 3/02 1909, 3/03 1915, 11/02    
1158660 Phonograph Record 1909, 3/02 1909, 3/03 1915, 11/02    
1158661 Phonograph or Talking Machine 1912, 9/12 1912, 9/16 1915, 11/02    
1159562 Storage Battery 1923, 5/24 1923, 5/25 1925, 11/03    
1163329 Filament for Incandescent Electric Lamps 1907, 5/28 1907, 5/31 1915, 12/07    
1167484 Production of Nickel Hydroxide 1911, 4/07 1911, 4/08 1916, 1/11    
1167485 Storage Battery 1912, 4/23 1912, 4/30 1916, 1/11    
1167637 Method of Utilizing Waste Heat in Kilns 1910, 7/02 1910, 7/07 1916, 1/11    
1167638 Means for Concentrating Ores 1912, 5/21 1912, 5/23 1916, 1/11    
1178062 Moving-Picture Apparatus 1910, 5/31 1910, 6/06 1916, 4/04    
1178063 Receptacle-Filling Machine 1912, 5/31 1912, 6/07 1916, 4/04    
1182897 Apparatus for Recording and Reproducing Motion and Sounds 1908, 2/04 1908, 2/08 1916, 5/16    
1184332 Phonograph or Talking Machine 1910, 12/05 1910, 12/07 1916, 5/23    
1184333 Phonograph or Talking Machine 1911, 2/15 1911, 2/17 1916, 5/23    
1184334 Phonograph or Talking Machine 1912, 8/09 1912, 8/12 1916, 5/23    
1190133 Means for Recording Sounds 1912, 2/15 1912, 2/16 1916, 7/04    
1192400 Electrical System for Automobiles 1912, 5/21 1912, 5/23 1916, 7/25    
1197723 Coating Apparatus 1912, 10/25 1912, 10/26 1916, 9/12    
1198426 Production of Electrode Elements 1914, 8/27 1914, 8/31 1916, 9/19    
1201448 Coating Apparatus 1912, 10/25 1912, 10/26 1916, 10/17    
1201449 Sound-Modifying Device 1914, 4/21 1914, 4/25 1916, 10/17    
1204420 Sound-Box 1911, 3/22 1911, 3/24 1916, 11/14    
1207382 Primary Battery 1910, 5/19 1910, 5/24 1916, 12/05    
1207383 Sound-Record Tablet 1913, 1/29 1913, 1/30 1916, 12/05    
1219272 Process of Constructing Concrete Buildings 1908, 8/10 1908, 8/13 1917, 3/13    
1221981 Alternating-Current Rectifier 1911, 12/12 1911, 12/30 1917, 4/10    
1234450 Celluloid Record-Blank 1912, 9/12 1912, 9/16 1917, 7/24    
1234451 Mold or Transfer Plate 1912, 10/25 1912, 10/26 1917, 7/24    
1248468 Celluloid Record-Blank 1917, 6/01 1917, 6/07 1917, 12/04    
1255517 Starting and Current-Supplying System for Automobiles 1912, 7/27 1912, 7/31 1918, 2/05    
1266778 Process for Making Screens for Projection 1912, 6/19 1912, 6/24 1918, 5/21    
1266779 Electric Safety-Lantern 1914, 10/10 1914, 10/16 1918, 5/21    
1266780 Storage Battery 1917, 1/16 1917, 1/20 1918, 5/21    
1275232 Production of Finely Divided Metals 1911, 12/20 1911, 12/22 1918, 8/13    
1283706 Paraphenylenediamin Substance and Process Relating Thereto 1916, 9/21 1916, 10/02 1918, 11/05    
1286259 Means for Recording Sound 1913, 2/28 1913, 3/06 1918, 12/03    
1290138 Friction Speed-Governor 1913, 11/21 1913, 12/02 1919, 1/07    
1292277 Swaging Machine 1917, 6/26 1917, 6/29 1919, 1/21    
1297294 Projectiles 1916, 1/11 1916, 1/24 1919, 3/11    
1299693 Storage Battery 1914, 8/06 1914, 8/10 1919, 4/08    
1300708 Projectiles 1916, 2/05 1916, 2/12 1919, 4/15    
1300709 Projectiles 1916, 2/05 1916, 2/12 1919, 4/15    
1311955 Tube Filling and Tamping Machine 1916, 3/04 1916, 3/06 1919, 8/05    
1323218 Method and Means for Improving the Rendition of Musical Compositions 1916, 1/12 1916, 1/17 1919, 1/12    
1326330 Mold for Sound Records 1914, 10/09 1914, 10/13 1919, 12/30    
1326854 Apparatus for the Production of Concrete Structures 1917, 1/16 1917, 1/18 1919, 12/30    
1342326 Composition of Matter for Sound-Records or the Like and Process 1915, 8/21 1915, 8/26 1920, 6/01    
1359972 Electroplating 1919, 6/18 1919, 6/21 1920, 11/23    
1364358 Battery-Tray 1915, 12/08 1915, 12/13 1921, 1/04    
1364359 Protecting-Varnish for Electrodes of Electrolytic Cells 1919, 9/24 1919, 9/29 1921, 1/04    
1369271 Cleaning of Metallic Surfaces 1919, 6/24 1919, 7/03 1921, 2/22    
1369272 Process of Molding 1919, 8/01 1919, 8/05 1921, 2/22    
1371414 Nickel-Plating 1919, 6/12 1919, 6/17 1921, 3/15    
1377192 Production of Molded Articles 1919, 1/14 1919, 1/18 1910, 5/10    
1377193 Production of Molded Articles 1919, 1/15 1919, 1/23 1921, 5/10    
1377194 Storage Battery 1920, 6/14 1920, 6/16 1921, 5/10    
1379088 Storage Battery 1919, 9/13 1919, 9/16 1921, 5/24    
1379089 Production of Thin Metallic Sheets or Foils 1919, 9/30 1919, 10/04 1921, 5/24    
1386095 Electrode Element for Galvanic Batteries and Method of Producing Same 1919, 11/03 1919, 11/06 1921, 8/02    
1401391 Protective Coating for Steel and Iron 1919, 11/28 1919, 12/02 1922, 3/21    
1402751 Storage-Battery Electrode and the Production of Same 1919, 8/28 1919, 9/05 1922, 1/10    
1411425 Production of Molded Articles 1919, 4/24 1919, 4/30 1922, 4/04    
1417463 Mold 1919, 6/25 1919, 7/03 1922, 5/23 Charles G. Kircher  
1417464 Production of Thin Metal Sheets or Foils 1920, 7/08 1920, 7/16 1922, 5/23    
1425183 Transmitter 1918, 10/23 1918, 10/26 1922, 8/08    
1425184 Production of Thin Metal Sheets or Foils 1920, 8/23 1920, 8/26 1922, 8/08    
1425458 Stylus Mounting 1919, 12/09 1919, 12/11 1922, 8/08    
1456687 Stylus Mounting 1919, 12/09 1919, 12/11 1923, 5/29    
1488480 Regeneration of Alkaline Storage-Battery Elements 1921, 9/26 1921, 9/28 1924, 4/01    
1488481 Regeneration of Storage-Battery Elements 1922, 4/25 1922, 4/26 1924, 4/01    
1489240 Voltaic Battery and the Production of Electrode Elements Therefor 1920, 12/31 1921, 1/05 1924, 4/08    
1492023 Sound Record 1922, 2/08 1922, 2/11 1924, 4/29    
1495580 Method of Producing Chlorinated Rubber 1923, 2/05 1923, 2/08 1924, 5/27    
1526326 Storage Battery 1924, 2/25 1924, 3/12 1925, 2/17    
1546573 Production of Disk Phonograph Records 1923, 5/24 1923, 5/23 1925, 7/21    
1583783 Centrifugal Speed Governor 1923, 11/12 1923, 11/14 1926, 5/11    
1599121 Production of Depolarizing Agent for Voltaic Battery 1924, 2/20 1924, 2/26 1926, 9/07    
1600722 Mounting for Diamonds and the Like 1923, 6/28 1923, 7/06 1926, 9/21    
1644670 Cabinet 1925, 1/29 1925, 1/31 1927, 10/17    
1649579 Storage-Battery Electrode Element and Production Thereof 1926, 7/25 1925, 7/24 1927, 11/15    
1651196 Storage Battery 1923, 5/11 1923, 5/14 1927, 11/29    
1678246 Production of Alkali-Metal Compounds from Silicates Containing Them 1922, 6/23 1922, 6/28 1928, 7/24    
1690159 Method of Producing Sound-Record Tablets 1926, 10/01 1926, 10/05 1928, 11/06    
1702935 Receiving Apparatus for Radio and Telephone Circuits 1925, 2/02 1925, 2/13 1929, 2/19    
1708692 Phonograph 1926, 2/01 1926, 2/13 1929, 4/09    
1711265 Phonograph Reproducer 1926, 2/01 1926, 2/10 1929, 4/30    
1723609 Apparatus for Producing Storage Battery Electrode Elements 1927, 10/11 1927, 10/12 1929, 8/06    
1740079 Extraction of Rubber from Plants 1927, 11/25 1927, 11/30 1929, 12/07    
1744533 Mounting for Diaphragms of Sound Boxes 1925, 4/28 1925, 4/30 1930, 1/21    
1744534 Production of Molded Articles 1926, 1/25 1926, 1/29 1930, 1/21    
1829856 Dynamo Electric Machine 1928, 12/13 1928, 12/15 1931, 11/03    
1836066 Electroplating Apparatus 1926, 8/13 1926, 8/14 1931, 12/15    
1862740 Production of Molded Articles 1928, 10/04 1928, 10/06 1932, 6/14    
1908380 Holder for Articles to be Electroplated 1931, 1/06 1931, 1/09 1933, 5/16    
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