TREA

Richard G. Durkee

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  • Santa Ana, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heavy metal removal process
    • Patent number 4,450,002
    • Issue date May 22, 1984
    • Richard G. Durkee
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Heavy metal removal process
    • Patent number 4,304,599
    • Issue date Dec 8, 1981
    • Richard G. Durkee
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Heavy metal removal apparatus
    • Patent number 4,294,434
    • Issue date Oct 13, 1981
    • Richard G. Durkee
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...