TREA

Richard G. Hollis

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  • Mount Isa, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Secondary lead production
    • Patent number 4,909,839
    • Issue date Mar 20, 1990
    • Mount Isa Mines Limited
    • Richard G. Hollis
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Treatment of dross
    • Patent number 4,678,507
    • Issue date Jul 7, 1987
    • Mount Isa Mines Limited
    • Richard G. Hollis
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...