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John C. Harkness

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  • Lakewood, OH, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    HIGH STRENGTH Be/Cu ALLOYS WITH IMPROVED ELECTRICAL CONDUCTIVITY
    • Publication number 20100006191
    • Publication date Jan 14, 2010
    • BRUSH WELLMAN, INC.
    • John F Wetzel
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Copper-beryllium alloy strip
    • Publication number 20050133126
    • Publication date Jun 23, 2005
    • John C. Harkness
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Copper-beryllium alloy strip
    • Publication number 20040216817
    • Publication date Nov 4, 2004
    • John C. Harkness
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...