TREA

William D. Blewitt

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  • Phoenix, AZ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    ISDN interface trunk circuit
    • Patent number 4,943,958
    • Issue date Jul 24, 1990
    • AG Communication Systems Corporation
    • John S. Young
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Data format conversion circuit
    • Patent number 4,797,654
    • Issue date Jan 10, 1989
    • GTE Communication Systems Corporation
    • John S. Young
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE