TREA

Matthew D. Hern

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  • San Francisco, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Microphone
    • Patent number D395893
    • Issue date Jul 7, 1998
    • Telex Communications, Inc.
    • Matthew D. Hern
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Microphone
    • Patent number D395894
    • Issue date Jul 7, 1998
    • Telex Communications, Inc.
    • Matthew D. Hern
    • D14 - Recording, communication, or information retrieval equipment