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Humphrey Samkelo Lungisani Sithebe

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Patents Applicationslast 30 patents

  • Information Patent Application

    POLYCRYSTALLINE DIAMOND ELEMENT
    • Publication number 20120055717
    • Publication date Mar 8, 2012
    • John Hewitt Liversage
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Method for Producing a PCD Compact
    • Publication number 20110072730
    • Publication date Mar 31, 2011
    • Humphrey Samkelo Lungisani Sithebe
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    POLYCRYSTALLINE DIAMOND (PCD) MATERIALS
    • Publication number 20100285335
    • Publication date Nov 11, 2010
    • Humphrey Samkelo Lungisani Sithebe
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...