TREA

Roy Fisher

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  • Winnipeg, Manitoba, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal melting furnace
    • Patent number 4,457,494
    • Issue date Jul 3, 1984
    • Roy Fisher
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...