TREA

Earl O. Martin

Follow

Person

  • Temple, PA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Switchhook status detector
    • Patent number 4,473,719
    • Issue date Sep 25, 1984
    • AT&T Bell Laboratories
    • Milton L. Embree
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Battery feed circuit
    • Patent number 4,419,542
    • Issue date Dec 6, 1983
    • Bell Telephone Laboratories, Incorporated
    • Milton L. Embree
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Precision converter/isolation circuit
    • Patent number 4,330,744
    • Issue date May 18, 1982
    • Bell Telephone Laboratories, Incorporated
    • Milton L. Embree
    • G05 - CONTROLLING REGULATING