History of the Telephone

By grantdore

  • Apparatus

    Apparatus
    Johann Reis built a apparatus that changed sound to electricity and back again to sound

  • First Patent

    First Patent
    Antonio Meucci filed his patent caveat.

  • Bell files frst patent

    Bell files frst patent
    Bell files first patent for improved telegraphy

  • Bell and Watson= first sentence

    Bell and Watson= first sentence
    Bell and Watson tramsit the first complete sentence.

  • Bell files patent

    Bell files patent
    Bell files patent application on February 14; patent issues March 7

  • Bell Telephone Company

    Bell Telephone Company
    Formed Bell Telephone Company to operate local telephone exchange operation.

  • Formed long-distance networking

    Formed long-distance networking
    Formed American Telephone and Telegraph Company to operate the long-distance network.

  • Wireless telephone service available in 100 cities

    Wireless telephone service available in 100 cities
    Wireless telephone service was available in almost 100 cities and highway corriders.

  • First-Commercial Touch Tone Phone

    The first-commercial touch tone phones were a big hit in their preview at Seattle World's Fair.