Inventors Challenged By Al.N 1820 Thomas L. Jennings invents a process for dry-cleaning delicate clothing 1832 Samuel Morse invents the telegraph 1839 Charles Goodyear invents vulcanized rubber 1853 Elisha Graves Otis invents the elevator break 1857 Joseph Gayetty invents toilet paper. 1873 Levis Strauss invented blue jeans 1886 John Pemberton invents Coca-Cola 1887 Alexander Miles invents automatic elevator doors 1888 George Eastman invented the first handheld camera and rolled film 1893 Whitcomb L. Judson invents the zipper 1903 Orville and Wilbur Wright fly the airplane 1906 Frank Henry Fleer invents bubble gum 1906 Madam C.J. Walker Invents African American Hair Care Products 1955 Jonas Salk invents a vaccine for polio 1990 Richard Drew invents scotch tape
