Year | Month | Day | Event |
---|---|---|---|
1698 | Jul | 02 | Thomas Savery Patents The First Steam Engine |
1794 | Mar | 14 | Cotton Gin Patent Granted To Eli Whitney |
1872 | Mar | 05 | George Westinghouse Patents The Air Brake |
1882 | Apr | 29 | Pre-TrolleyBus Elektromote Tested In Berlin |
1885 | Aug | 14 | Japan's First Patent For Rust-proof Paint |
1888 | Sep | 08 | Spaniard Peral's Was The First Practical Submarine |
1902 | Jul | 21 | Willis Carrier Of NY Created First AC |
1923 | Jan | 09 | Cierva Makes First Autogyro Flight |
1930 | Jan | 31 | 3M Begins Marketing Scotch Tape |
1931 | Jan | 06 | Edison Submits Last Patent |
1935 | Feb | 02 | Keeler Tests The First Polygraph Machine |
1935 | Feb | 28 | DuPont's Carothers Invents Nylon |
1956 | Apr | 14 | In Chicago, Videotape Is First Demonstrated |
1963 | Nov | 18 | First Push Button Telephone Goes Into Service |