Inventions By avirsadarangani Period: Jan 13, 1500 to Jan 13, 2011 inventions Jan 13, 1565 pencil Jan 13, 1608 telescope Jan 13, 1623 atomatic calculator Jan 13, 1645 vacum pump Jan 13, 1662 led pencil Jan 13, 1700 piano Jan 13, 1752 lightning rod Jan 13, 1770 earaser Jan 13, 1780 copying machine Jan 13, 1800 shampoo Jan 13, 1802 gas stove Jan 13, 1818 bicycle Jan 13, 1821 electric motor Oct 13, 1822 Train Jan 13, 1826 hamburger Jan 13, 1827 fountain pen Jan 13, 1828 sharpener Jan 13, 1834 refrigerator Jan 13, 1849 safety pin Jan 13, 1865 barbed wire Jan 13, 1870 chewing gum Jan 13, 1876 telephone Jan 13, 1877 stapler Jan 13, 1879 light bulb Jan 13, 1882 electric fan Jan 13, 1882 photography black and white Jan 13, 1885 motorbike May 8, 1886 coke Jan 13, 1890 zipper Jan 13, 1891 escalator Jan 13, 1893 radio Jan 13, 1895 x-ray Jan 1, 1902 car this is when it was first for sale Jan 13, 1902 air conditioner Dec 17, 1903 airplane first successful plane to fly Jan 13, 1907 washing machine Jan 13, 1907 helicopter Jan 13, 1928 toothbrush Jan 13, 1932 eletric guitar Jan 13, 1935 microwave Jan 13, 1950 credit card Jan 13, 1956 digital clock Jan 13, 1957 internet Jan 13, 1981 laptop Jan 13, 1988 digital camera Jan 13, 1990 world wide web Jan 13, 1991 memory card Jan 13, 1991 webcam Jan 13, 2010 ipad