TREA

John P. McKay

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  • Walworth, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hysteresis alloy
    • Patent number 4,021,273
    • Issue date May 3, 1977
    • Arnold Engineering Company
    • Ralph M. Handren
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Hysteresis alloy
    • Patent number 4,007,065
    • Issue date Feb 8, 1977
    • Arnold Engineering Company
    • Ralph M. Handren
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...