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Richard Francis Harig

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  • Littleton, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Seal arrangement for a rotary drum assembly
    • Patent number 4,087,334
    • Issue date May 2, 1978
    • Dravo Corporation
    • Richard Francis Harig
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...