TREA

David P. Townsend

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  • Village of Lakewood, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Microphone
    • Patent number D538793
    • Issue date Mar 20, 2007
    • Motorola, Inc.
    • Jeong J. Ma
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Microphone boot
    • Patent number D534901
    • Issue date Jan 9, 2007
    • Motorola, Inc.
    • Jeong J. Ma
    • D14 - Recording, communication, or information retrieval equipment