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Famous Inventions : A to Z

Research the history of famous inventions - past and present.

By , About.com Guide

Pumpkin Carving Kit

Pumpkin Carving Kit

USPTO

Postal Related

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 stamp.

Post-It Notes

Arthur Fry invented Post-It Notes as a temporary bookmarker.

Potato Chips

Potato chips were invented in 1853.

Mr Potato Head

George Lerner of New York City invented and patented Mr. Potato Head in 1952.

Poulsen Arc Transmitter

The arc transmitter was invented by Valdemar Poulsen in 1902.

Power Loom

Edmund Cartwright was a cleric and the inventor of the power loom patented in 1785.

Press Release

A press release is a public statement made to the media.

Printed Electronics

Printed electronics is the term for a relatively new technology that defines the printing of electronics on common media such as paper, plastic, and textile using standard printing processes.

Printers (Computer)

The history of computer printers.

Printing

Learn about the history of printing and printer technology.

Prony Brake

Gaspard de Prony invented the Prony brake or dynamometer.

Prosthetics

The history of prosthetics and amputation surgery begins at the very dawning of human medical thought.

Prozac

Prozac® is the registered trademarked name for fluoxetine hydrochloride and the world's most widely prescribed antidepressant.

Pumpkin Carving Kits

The art and history of pumpkin carving. See Also - Pumpkin Carving II

Punch Cards

Herman Hollerith invented a punch-card tabulation machine system for statistical computation.

Push Pins

Edwin Moore invented the push-pin.

Puzzles

Learn the history behind the crossword and other brain-teasing puzzles.

PVDC

The origins of Saran Wrap® (PVDC) film and the history of the Dow Chemical Company.

PVC

Waldo Semon invented a way to make polyvinyl chloride or vinyl useful.

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