TREA

James M. Ruffing

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  • Delaware, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Delay correction circuit
    • Patent number 4,402,079
    • Issue date Aug 30, 1983
    • International Telephone & Telegraph Corporation
    • Frank Fellinger
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Carrier terminal unit
    • Patent number 4,230,911
    • Issue date Oct 28, 1980
    • International Telephone & Telegraph Corporation
    • Frank Fellinger
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE