TREA

Sonja Schiefer

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  • San Francisco, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Computer monitor
    • Patent number D404380
    • Issue date Jan 19, 1999
    • Princeton Graphic Systems, Inc.
    • Ray Ho
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Portable telephone
    • Patent number D388783
    • Issue date Jan 6, 1998
    • Motorola, Inc.
    • Daniel Harden
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone handset
    • Patent number D342261
    • Issue date Dec 14, 1993
    • AT&T Bell Laboratories
    • Anthony J. Grewe
    • D14 - Recording, communication, or information retrieval equipment