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Robert Craig Campbell

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  • Cranberry Township, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Videophone
    • Patent number D489342
    • Issue date May 4, 2004
    • Marconi Communications, Inc.
    • Robert Craig Campbell
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Videophone
    • Patent number D489043
    • Issue date Apr 27, 2004
    • Marconi Communications, Inc.
    • Robert Craig Campbell
    • D14 - Recording, communication, or information retrieval equipment