TREA

W. Porter Stone

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  • Walpole, NH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Visco-elastic delayed actuator
    • Patent number 4,742,189
    • Issue date May 3, 1988
    • Piezo Electric Products, Inc.
    • Robert E. Carter
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Piezoelectric circuit breaker
    • Patent number 4,473,859
    • Issue date Sep 25, 1984
    • Piezo Electric Products, Inc.
    • W. Porter Stone
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER