TREA

Roger T Johnsen

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  • Salt Lake City, UT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Audio input/output device
    • Patent number D613270
    • Issue date Apr 6, 2010
    • Harman International Industries, Incorporated
    • Jason J Cooper
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Audio input/output device
    • Patent number D611036
    • Issue date Mar 2, 2010
    • Harman International Industries, Incorporated
    • Jason J Cooper
    • D14 - Recording, communication, or information retrieval equipment