Invention Challenge

By awideman

  • Thomas L. Jennings invents a process for dry-cleaning delicate clothing

    Thomas L. Jennings invents a process for dry-cleaning delicate clothing

  • Elias Howe invents the sewing machine.

    Elias Howe invents the sewing machine.

  • Elisha Graves Otis invents the elevator break.

    Elisha Graves Otis invents the elevator break.

  • Joseph Gayetty invents toilet paper.

    Joseph Gayetty invents toilet paper.

  • Levis Strauss invented blue jeans

    Levis Strauss invented blue jeans

  • Elijah McCoy invents the ironing board.

    Elijah McCoy invents the ironing board.

  • Alexander Graham Bell invents the telephone.

    Alexander Graham Bell invents the telephone.

  • John Pemberton invents Coca-Cola.

    John Pemberton invents Coca-Cola.

  • Alexander Miles invents automatic elevator doors.

    Alexander Miles invents automatic elevator doors.

  • George Ferris invents the Ferris Wheel.

    George Ferris invents the Ferris Wheel.

  • Whitcomb L. Judson invents the zipper.

    Whitcomb L. Judson invents the zipper.

  • Edwin Binney and Harold Smith invent Crayola Crayons.

    Edwin Binney and Harold Smith invent Crayola Crayons.

  • 906Frank Henry Fleer invents bubble gum.

    906Frank Henry Fleer invents bubble gum.

  • Madam C.J. Walker Invents African American Hair Care Products

    Madam C.J. Walker Invents African American Hair Care Products

  • Nikola Tesla invents the radio.

    Nikola Tesla invents the radio.