Inventors
Historical
Inventions : L
A/B/C/D/E/F/G/H/I/J/K/L/M/N/O/P/Q/R/S/T/U/V/W/X/Y/Z
Laptop
Computer
The history of the laptop.
Laser
Gordon Gould received a patent for
the laser - the history of lasers from 1917 to the present.
Laser
Disc
David Paul Gregg first envisioned
the optical or laser disc in 1958 and patented it in 1969.
Laser
Printers
The history of computer laser printers.
Lava
Lamp
Post-war England was the perfect
backdrop for Craven Walker to create this swinging 60's icon.
Lawn
Mowers
The first patent for a "machine
for mowing lawns" was granted to Edwin Beard Budding on August 31, 1830.
LCD
- Liquid Crystal Display
James Fergason invented liquid crystal
display.
Letter
Box
Philip Downing invented the letter
drop letter box in 1891. The history of the mail.
Lie
Detector
John Larson invented the polygraph
or lie detector in 1921.
Life
Savers Candy
The history of the candy called
life savers.
Light
Microscope
Read about the history of the microscope,
from the earliest models to today's scanning electron microscope.
Lightbulbs/Lighting/Lamps
Read about the history of lighting
- including fluorescent lamps, halogen lights, lightbulbs, mercury vapor
lighting and tungsten wire.
Lisa
Computers
The first home computer with a GUI
or graphical user interface was Apple's Lisa.
Liquid
Paper
Bette Graham received a patent for
"Liquid Paper".
Liquid
Soap
The original liquid soap was introduced
in 1980.
Locks
While the original inventor of the
lock is lost in history, there are many inventors and patents still found
on record.
Loudspeakers
The history of music speakers.
Lunchbox
(Metal)
The first metal lunchbox produced
was the Hopalong Cassidy created by the Aladdin company in 1950.
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©Mary
Bellis
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