TREA

Doug A. Erwin

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  • Austin, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cordless telephone handset
    • Patent number D442157
    • Issue date May 15, 2001
    • Wolfgang Muenscher
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Method of mounting a connector on a printed wiring board
    • Patent number 6,209,195
    • Issue date Apr 3, 2001
    • Siemens Information and Communication Networks, Inc.
    • Joel Adams
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Cordless telephone
    • Patent number D428868
    • Issue date Aug 1, 2000
    • Siemens Information and Communication Products LLC.
    • David E. Bryant
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Cordless telephone base station
    • Patent number D423513
    • Issue date Apr 25, 2000
    • Siemens Information and Communication Products LLC.
    • Wayne E. McKinnon
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone
    • Patent number D392284
    • Issue date Mar 17, 1998
    • Siemens Business Communications Systems
    • Joel Q. Adams
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone
    • Patent number D389142
    • Issue date Jan 13, 1998
    • Siemens Business Communication Systems, Inc.
    • Joel Q. Adams
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone key expansion unit
    • Patent number D387063
    • Issue date Dec 2, 1997
    • Siemens Rolm Communications Inc.
    • Stefan Hillenmayer
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone
    • Patent number D386759
    • Issue date Nov 25, 1997
    • Siemens Business Communication Systems
    • Erich C. Elkins
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone
    • Patent number D375095
    • Issue date Oct 29, 1996
    • Siemens Rolm Communications Inc.
    • Stefan Hillenmayer
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone key expansion unit
    • Patent number D374674
    • Issue date Oct 15, 1996
    • Siemens Rolm Communications Inc.
    • Erich C. Elkins
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone
    • Patent number D374667
    • Issue date Oct 15, 1996
    • Siemens Palm Communication Inc.
    • Erich C. Elkins
    • D14 - Recording, communication, or information retrieval equipment