Inventions : P
John Hopps invented the first cardiac
Have you ever wondered, "who invented
the circular thing that keeps the pizza from hitting the inside of the
A pager is a dedicated RF (radio
A competitor to the linotype machine
was the Mark Twain funded paige typesetter.
The history and invention of Paintball.
The paint roller was invented by
Norman Breakey of Toronto in 1940.
The history of panty hose.
Sacks or Bags
The history of paper, papermaking
and paper sacks; the patents and persons behind the different processes.
A history of the paperclip.
History of the paper punch.
Who invented paper towels and other
Louis Sebastien Lenormand is credited
with being the first person to demonstrate the principle of the parachute
Carl Magee invented the first parking
meter in 1932.
The history of particle accelerators.
The history of pasta.
Louis Pasteur invented pasteurization.
Kary Mullis received a patent for
PCR, the process for amplifying nucleic acids.
Learn about PCS technology (Personal
Communication Services) or digital cellular phones.
The history of peanut butter.
The history of the drug penicillin
and how it works. Penicillin was discovered by Alexander Fleming. Andrew
Moyer patented the industrial production of penicillin. John Sheehan invented
a synthesis of natural penicillin.
The history of pens and other writing
instruments (including pencil sharpeners and erasers).
"Pepsi-Cola" was invented by Caleb
Bradham in 1898.
Donalee Tabern and Ernest Volwiler
co-invented the general anesthetic, Pentothal.
The history of the periodic table.
The history of the periscope.
The history behind perfume.
The USPTO will not patent a perpetual
Edith Flanigen received a patent
for a petroleum refining method, and was one of the most inventive chemists
of all time.
Don't forget someone had to have
invented the Pez dispenser - smile and enjoy.
The Phillips head screw was the
brainchild of Henry Phillips. He invented the new screw to work better
with power screwdrivers.
Randice-Lisa Altschul invented the
world's first disposable cell phone.
The word "phonograph" was Edison's
tradename for his musical playback device, which played wax cylinders rather
than flat disks.
The photocopier was invented by
Louis Moyroud and Rene Higonnet
invented the first practical phototypesetting machine.
Learn about the Camera Obscura,
the history of photography, the significant processes, polaroid photography
and the invention of photographic film.
related to photovoltics or photoluminescence.
The history of the piano.
The piggy bank's origin owes more
to the history of language.
The patents and people behind the
first oral contraceptives.
On October, 1965, Pillsbury debuted
the loveable 14-ounce, 8 3/4-inch character in a Crescent Roll commercial.
The history of pinball.
The history of pizza.
Learn about the history of plastic,
the uses for and the making of plastic, plastic in the fifties and more.
Noah McVicker and Joseph McVicker
invented Play-Doh in 1956.
- Tongs, Pincers, Plyers
Simple pliers are an ancient invention.
Two sticks probably served as the first uncertain holders, but bronze bars
may have replaced wooden tongs as early as 3000 BC.
John Deere invented the self-polishing
cast steel plow.
Learn about ancient and modern plumbing
from around the world - bathes, toilets, water closets.
A pneumatic device is any of various
tools and instruments that generate and utilize compressed air.
Legend and history of the jumping
Polaroid photography was invented
by Edwin Land.
The methods and techniques of, and
the equipment available to, police agencies.
History of the polio vaccine and biography of polio researcher Jonas Salk.
Polyethylene terephthalate created
synthetic fibers such as polyester dacron and terylene.
John Larson invented the polygraph
or lie detector in 1921.
Polystyrene is a strong plastic
created from erethylene and benzine that can be injected, extruded or blow
molded, making it a very useful and versatile manufacturing material.
Polyurethane is an organic polymer.
Pompoms and the history of cheerleading
The history of the popsicle.
Arthur Fry invented Post-It Notes
as a temporary bookmarker.
William Barry invented the postmarking
and canceling machine. William Purvis invented the hand stamp. Philip Downing
invented the letter-drop letter box. Rowland Hill invented the postage
Potato chips were invented in 1853.
The arc transmitter was invented
by Valdemar Poulsen in 1902.
was a cleric who invented the power loom.
The history of computer printers.
Learn about the history of printing
and printer technology.
Gaspard de Prony invented the Prony
brake or dynamometer.
The history of prosthetics and amputation
surgery begins at the very dawning of human medical thought.
Prozac® is the registered trademarked
name for fluoxetine hydrochloride and the world's most widely prescribed
The art and history of pumpkin carving.
Herman Hollerith invented a punch-card
tabulation machine system for statistical computation.
Edwin Moore invented the push-pin.
Learn the history behind the crossword
and other brain-teasing puzzles.
The origins of Saran Wrap® (PVDC)
film and the history of the Dow Chemical Company.
Waldo Semon invented a way to make
polyvinyl chloride or vinyl useful.
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