Inventions By StephT96 Jun 1, 1752 Benjamin Franklin invents the lightning rod May 15, 1761 John Harrison invents the marine chronometer or navigational clock May 15, 1783 The Montgolfier brothers invent the hot-air balloon May 15, 1786 John Fitch invents a steam boat May 15, 1799 Alessandro Volta invents the battery May 15, 1809 Humphrey Davy invents the first electric light May 15, 1810 Peter Durand invents the tin can May 15, 1819 Rene Laenner invents the stethescope May 15, 1829 American, W.A. Burt invents a typewriter May 15, 1830 Barthelemy Thimonnier invents a sweing machine May 15, 1836 Samuel Colt invents the first revolver May 15, 1837 Samuel Morse invents the telegraph May 15, 1838 Samuel Morse invents the morse code May 15, 1840 John Herschel invents the blueprint May 15, 1849 Walter Hunt invents the safety pin May 15, 1861 Linus Yale invents the Yale lock or cylinder lock May 15, 1866 Alfred Nobel invents dynamite May 15, 1868 J.P. Knight invents the traffic lights May 15, 1873 Joesph Glidden invents barbed wire May 15, 1886 Josephine Cochrane invents the dishwasher May 15, 1887 Emile Berlinier invents the gramophone May 15, 1900 Count Ferdinand von Zeppelin invents the Zeppelin May 15, 1908 Elmer A. Sperry invents the gyrocompass May 15, 1914 Garrett A. Morgan invents the morgan gas mask May 15, 1918 Charles Jung invents fortune cookies May 15, 1927 Eduard Haas invents PEZ candy May 15, 1931 Harold Edgerton invents stop-action photgraphy May 15, 1938 Ladislo Biro invents the ballpoint pen May 15, 1943 Richard James invents the slinky May 15, 1946 Percy Spencer invents the microwave oven May 15, 1958 Gordon Gould invents the laser
