TREA

James R. Blakley

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Call waiting deluxe feature
    • Patent number 5,309,512
    • Issue date May 3, 1994
    • AT&T Bell Laboratories
    • La Sheral Blackmon
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Call announcement arrangement
    • Patent number 5,007,076
    • Issue date Apr 9, 1991
    • AT&T Bell Laboratories
    • James R. Blakley
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Telephone station set
    • Patent number 4,922,490
    • Issue date May 1, 1990
    • American Telephone and Telegraph Company
    • James R. Blakley
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Call announcement arrangement
    • Patent number 4,899,358
    • Issue date Feb 6, 1990
    • American Telephone and Telegraph Company AT&T Bell Laboratories
    • James R. Blakley
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE