TREA

Kevin S. Fraser

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  • Milton, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for recovery of gold from refractory ores
    • Patent number 5,071,477
    • Issue date Dec 10, 1991
    • American Barrick Resources Corporation of Toronto
    • Kenneth G. Thomas
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...