TREA

George E. Ruddle

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  • Ottawa, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Steel tube alloy
    • Patent number 5,226,978
    • Issue date Jul 13, 1993
    • The Algoma Steel Corporation, Limited
    • Patrick J. Hunt
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Seamless steel tube manufacture
    • Patent number 5,186,769
    • Issue date Feb 16, 1993
    • The Algoma Steel Corporation, Limited
    • Patrick J. Hunt
    • C21 - METALLURGY OF IRON