TREA

Erich C. Elkins

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  • San Francisco, CA, US
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Patents Grantslast 30 patents

  • 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