TREA

John DeFilippis

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  • South Amboy, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Telephone security system for cordless telephony
    • Patent number 4,436,957
    • Issue date Mar 13, 1984
    • International Telephone & Telegraph Corporation
    • Frank J. Mazza
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Security telephone
    • Patent number D259043
    • Issue date Apr 28, 1981
    • International Telephone & Telegraph Corporation
    • Martin Feinberg
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Repertory telephone dialing apparatus
    • Patent number 4,243,845
    • Issue date Jan 6, 1981
    • International Telephone & Telegraph Corporation
    • Martin H. Feinberg
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE