TREA

William Chung

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  • Brampton, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 9,579,721
    • Issue date Feb 28, 2017
    • Vesuvius Crucible Company
    • Johan Richaud
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

  • Information Patent Application

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    • Publication number 20140339271
    • Publication date Nov 20, 2014
    • Vesuvius Crucible Company
    • Johan Richaud
    • B22 - CASTING POWDER METALLURGY