Man-Made Marvels

AND OTHER BUMPS ON THE ROAD OF PROGRESS...

TOP FIVE INVENTORS

1,093 PATENTS Thomas Alva Edison Light bulb, phonograph, motion picture, mimeograph, pneumatic stencil pen

925 PATENTS Melvin De Groote Method to separate crude oil from water, process that adheres chocolate to vanilla ice cream

894 PATENTS Francis H. Richards Golf-ball-molding machine, air-cushion door spring, high-speed envelope machine

696 PATENTS Elihu Thomson Electrically operated pipe organ, cream separator, electric welding

554 PATENTS Jerome Lemelson Bar-code reader, computer-controlled tourniquet, audiocassette-drive mechanism, magnetic-recording system

COMPANIES WITH MOST PATENTS IN 20th CENTURY

General Electric 50,837 --Electric fan (1902) --X-ray tube (1913) --First U.S. jet engine (1941) --Solid-state laser (1962) --Computed tomography, a.k.a....

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