189 20 david hedges ibm 5140 laptop

Evolution of Technology

By kristili103

  • First patent for an electric telephone

    First patent for an electric telephone
    In March of 1976 the first patent for an electric telephone was issued in the United States.

  • Wireless Telephone

    Wireless Telephone
    In 1908 the first patent for a wireless telephone was issued in the United States.

  • Cmmercial Broadcasting

    Cmmercial Broadcasting
    The first licensed commercial broadcsting station was developed and broadcast in the United States.
  • Period: to

    First Computer

    Between 1936 and 1938 Germany's Konrad Zuse created the world's first working computer in his parent's living room. He named it the Z1.

  • Mobile Phones

    Mobile Phones
    The first mobile phones were developed for use in vehicles. These were used primarily for military purposes.

  • Cell Phones

    Cell Phones
    The first uninterrupted single cell conversation was completed.

  • Digital Cell Phones

    Digital Cell Phones
    The first cell phones enter the digital age.

  • Laptops

    Laptops
    The 1st laptop was invented for public use.