Inventions in the 1920s

By tennismaster

  • The Band-Aid is invented by Earle Dickson

  • The Lie Detector is invented by John Larson

  • The Traffic Signal is invented by Garrett Morgan

  • Frozen Food is invented by Clarence Birdseye

  • The self winding watch is invented by John Harwood

  • Liquid-fueled rockets are invented by Robert Goodard

  • The first quartz crystal watch is invented by JWA Morrison

  • The complete electronic TV system is invented by Philo Taylor Farnsworth

  • PEZ candy is invented by Eduard Haas III

  • The car radio is invented by Paul Galvin