TREA

Donald Forsman

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  • Yuba City, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gold extracting process and apparatus
    • Patent number 4,494,986
    • Issue date Jan 22, 1985
    • Donald Forsman
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...