TREA

DRINKARD RESEARCH AND DEVELOPMENT CORPORATION

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  • CHARLOTTE, NC, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    TREATMENT OF MANGANESE-CONTAINING MATERIALS
    • Publication number 20160280561
    • Publication date Sep 29, 2016
    • DRINKARD RESEARCH AND DEVELOPMENT CORPORATION
    • William F. Drinkard
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    TREATMENT OF MANGANESE-CONTAINING MATERIALS
    • Publication number 20150368120
    • Publication date Dec 24, 2015
    • DRINKARD RESEARCH AND DEVELOPMENT CORPORATION
    • William F. Drinkard
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...