TREA

John D. Weyand

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  • Greensburg, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Powder treatment process
    • Patent number 4,724,121
    • Issue date Feb 9, 1988
    • Aluminum Company of America
    • John D. Weyand
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Connection method
    • Patent number 4,623,555
    • Issue date Nov 18, 1986
    • Aluminum Company of America
    • John D. Weyand
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Inert electrode connection
    • Patent number 4,500,406
    • Issue date Feb 19, 1985
    • Aluminum Company of America
    • John D. Weyand
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Titanium diboride shapes
    • Patent number 4,097,567
    • Issue date Jun 27, 1978
    • Aluminum Company of America
    • Walter S. Cebulak
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES