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History of the Telephone

By Abbey Durrett

  • work on the telephone

    work on the telephone
    Reis started to work on the telephone.
  • Period: to

    History of the Telephone

  • First non-working telephone

    First non-working telephone
    Reis completed the first non-working telephone

  • patent search

    patent search
    Green went to Washington to conduct a patent search

  • First patent

    First patent
    Bell put the first patent on the telephone

  • patent application

    patent application
    Bell patent application was filled by his own attorney

  • Offer

    Offer
    Habbard and Sanders offered to sell telephone patent right.

  • Western Electric

    Western Electric
    Kellog retired from Western Electic

  • Patent Expired

    Patent Expired
    Bell made the second telephone patent expired

  • AT&T

    AT&T
    AT&T established Bell Telephone Laboratories

  • AT&T

    AT&T
    AT&T develops the concept of the cellular telephony

  • AT&T

    AT&T
    They had wireless telephones

  • IPhone 5

    IPhone 5
    They have the IPhone 5