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1926
1927
1928
1929
American, Paul Galvin invents the
car radio.
Yo-Yo re-invented as an American fad.
1930
Scotch tape patented by 3M engineer, Richard G. Drew.
The
frozen food process patented by Clarence Birdseye.
Wallace Carothers and DuPont Labs invents
neoprene.
The "differential analyzer", or analog
computer invented by Vannevar Bush at MIT in Boston.
Frank Whittle and Dr Hans von Ohain both invent a
jet engine.
1931
1932
Polaroid photography invented by Edwin Herbert Land.
The zoom lens and the light meter invented.
Carl C. Magee invents the first
parking meter.
Karl Jansky invents the radio telescope.
1933
1934
Englishmen, Percy Shaw invents
cat eyes or roads reflectors.
Charles Darrow claims he invented the game
Monopoly.
Joseph Begun invents the first tape recorder for
broadcasting - first magnetic recording.
1935
Wallace Carothers and DuPont Labs invents
nylon ( polymer 6.6.)
The first
canned beer made.
Robert Watson-Watt patented
radar.
1936
Bell Labs invents the voice recognition machine.
1937
1938
1939
1940
1941
Konrad Zuse's Z3, the first
computer controlled by software.
Aerosol
spray cans invented by American inventors, Lyle David Goodloe and W.N. Sullivan.
Enrico Fermi invents the
neutronic reactor.
1942
1943
Synthetic rubber invented.
Swiss chemist, Albert Hofmann discovered the hallucinogenic properties of LSD.
1944
1945
1946
1947
British/Hungarian scientist, Dennis Gabor, developed the theory of
holography.
Mobile phones first invented. Although cell phones were not sold commercially until 1983, AT&T came up with the idea way back.
Bardeen, Brattain, and Shockley invent the
transistor.
Earl Silas Tupper patented the
Tupperware seal.
1948
1949
Cake mix invented.
1950
The first
credit card (Diners) invented by Ralph Schneider.