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Donald Murphy

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  • Wellesley, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ultrasonic resonant device
    • Patent number 4,753,579
    • Issue date Jun 28, 1988
    • Piezo Electric Products, Inc.
    • Donald Murphy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Acoustic pump
    • Patent number 4,684,328
    • Issue date Aug 4, 1987
    • Piezo Electric Products, Inc.
    • Donald Murphy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...