TREA

Walter D. Atchison

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  • Hudson, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Recovery of nickel from wastes
    • Patent number 4,120,698
    • Issue date Oct 17, 1978
    • The Hanna Mining Company
    • Walter D. Atchison
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...