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John Francis Dugan

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  • Millville, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and system for large scale audio system
    • Patent number 9,661,418
    • Issue date May 23, 2017
    • LOUD Technologies Inc.
    • Nathan Butler
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number D746264
    • Issue date Dec 29, 2015
    • LOUD Technologies Inc.
    • John Francis Dugan
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electronic device fan mounting system
    • Patent number 6,244,953
    • Issue date Jun 12, 2001
    • 3COM Corporation
    • John Francis Dugan
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents