inventors challenge By kaeleigh 1794 Eli Whitney invents the cotton gin 1844 Charles Goodyear invents vulcanized rubber. 1854 Elisha Graves Otis invents the elevator break. 1874 Elijah McCoy invents the ironing board. 1875 Alexander Graham Bell invents the telephone. 1882 John Pemberton invents Coca-Cola. 1886 George Eastman invented the first hand held camera and rolled film. 1887 Alexander Miles invents automatic elevator doors. 1891 Whitcomb L. Judson invents the zipper. 1902 Edwin Binney and Harold Smith invent Crayola Crayons. 1903 Mary Anderson invents the windshield wiper. 1919 Frank Henry Fleer invents bubble gum. 1925 John Logie Baird invents the television. 1990 Madam C.J. Walker Invents African American Hair Care Products 1993 Nikola Tesla invents the radio
