TREA

William P. Zbryski

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  • Tarentum, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of processing alloy steel strip
    • Patent number 4,160,677
    • Issue date Jul 10, 1979
    • Allegheny Ludlum Industries, Inc.
    • Frederick S. Lukac
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method for cleaning strip
    • Patent number 4,138,273
    • Issue date Feb 6, 1979
    • Allegheny Ludlum Industries, Inc.
    • Frederick S. Lukac
    • B08 - CLEANING
  • Information Patent Grant

    Apparatus for treating strip
    • Patent number 4,119,109
    • Issue date Oct 10, 1978
    • Allegheny Ludlum Industries, Inc.
    • Frederick S. Lukac
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Apparatus for cleaning strip
    • Patent number 4,093,472
    • Issue date Jun 6, 1978
    • Allegheny Ludlum Industries, Inc.
    • Frederick S. Lukac
    • B08 - CLEANING