inventors By Laya012 1668 Anton von Leeuenhoek invents the microscope. 1775 Joseph Gayetty invents toilet paper. 1793 Eli Whitney invents the cotton gin. 1793 Eli Whitney invents the cotton gin. 1821 Thomas L. Jennings invents a process for dry-cleaning delicate clothing 1832 Samuel Morse invents the telegraph. 1832 Samuel Morse invents the telegraph. 1832 Samuel Morse invents the telegraph. 1837 John Deere invented the first cast steel plow. 1839 Charles Goodyear invents vulcanized rubber. 1839 Charles Goodyear invents vulcanized rubber. 1839 Charles Goodyear invents vulcanized rubber. 1846 Elias Howe invents the sewing machine. 1846 Elias Howe invents the sewing machine. 1854 Elisha Graves Otis invents the elevator break. 1854 Elisha Graves Otis invents the elevator break. 1888 William Seward Burroughts invents the adding machine. 1888 William Seward Burroughts invents the adding machine. 1893 Whitcomb L. Judson invents the zipper. 1893 Whitcomb L. Judson invents the zipper. 1903 Edwin Binney and Harold Smith invent Crayola Crayons. 1906 Frank Henry Fleer invents bubble gum. 1981 Dr. Patricia Bath invents a Laserphaco Probe. 1995 Jonas Salk invents a vaccine for polio.
