Friedrich W. Kruppert

Person

  • Goulais River, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe quenching apparatus

    • Patent number 4,803,037
    • Issue date Feb 7, 1989
    • The Algoma Steel Corporation, Limited
    • Robert M. McBain
    • C21 - METALLURGY OF IRON