TREA

Bernard W. Lifka

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  • New Kensington, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aluminum base alloys of the A1-Cu-Mg-Zn type
    • Patent number 4,711,762
    • Issue date Dec 8, 1987
    • Aluminum Company of America
    • William D. Vernam
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Metal working method
    • Patent number 4,659,396
    • Issue date Apr 21, 1987
    • Aluminum Company of America
    • Bernard W. Lifka
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    High strength and corrosion resistant aluminum article and method
    • Patent number 4,629,517
    • Issue date Dec 16, 1986
    • Aluminum Company of America
    • Bernard W. Lifka
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...