TREA

Jon D. Hopkins

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  • Unionville, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic ball contact switch
    • Patent number 4,479,041
    • Issue date Oct 23, 1984
    • General Electric Company
    • Danny L. Fenwick
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Pneumatic reed switch
    • Patent number 4,468,532
    • Issue date Aug 28, 1984
    • General Electric Company
    • Paul M. Clark
    • H01 - BASIC ELECTRIC ELEMENTS