TREA

William A. Pratt

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  • Butler, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Duplex stainless steels
    • Patent number 6,623,569
    • Issue date Sep 23, 2003
    • ATI Properties, Inc.
    • David S. Bergstrom
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Duplex stainless steel
    • Patent number 6,551,420
    • Issue date Apr 22, 2003
    • ATI Properties, Inc.
    • David S. Bergstrom
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

  • Information Patent Application

    Duplex stainless steels
    • Publication number 20030084971
    • Publication date May 8, 2003
    • David S. Bergstrom
    • C21 - METALLURGY OF IRON