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William L. Powell

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  • Waupaca, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compacted graphite iron brake drum
    • Patent number 6,572,712
    • Issue date Jun 3, 2003
    • Waupaca Foundry, Inc.
    • William L. Powell
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    Compacted graphite iron brake drum
    • Publication number 20040134571
    • Publication date Jul 15, 2004
    • William L. Powell
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Compacted graphite iron brake drum
    • Publication number 20020108823
    • Publication date Aug 15, 2002
    • William L. Powell
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...