TREA

Keith F. Urban

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  • Elk Grove Village, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Loudspeaker
    • Patent number D270444
    • Issue date Sep 6, 1983
    • International Jensen Incorporated
    • Hari Matsuda
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electronic graphic equalizer or the like
    • Patent number D265199
    • Issue date Jun 29, 1982
    • International Jensen Incorporated
    • Keith F. Urban
    • D14 - Recording, communication, or information retrieval equipment