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Sang-Ha Leigh

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  • Chillicothe, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composite powder and gall-resistant coating
    • Patent number 7,404,841
    • Issue date Jul 29, 2008
    • Caterpillar Inc.
    • Sang-Ha Leigh
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Composite powder and gall-resistant coating
    • Patent number 7,094,474
    • Issue date Aug 22, 2006
    • Caterpillar, Inc.
    • Sang-Ha Leigh
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    Composite powder and gall-resistant coating
    • Publication number 20060048605
    • Publication date Mar 9, 2006
    • Caterpillar Inc.
    • Sang-Ha Leigh
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Composite powder and gall-resistant coating
    • Publication number 20060035019
    • Publication date Feb 16, 2006
    • Caterpillar Inc.
    • Sang-Ha Leigh
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Composite powder and gall-resistant coating
    • Publication number 20050279186
    • Publication date Dec 22, 2005
    • Caterpillar Inc.
    • Sang-Ha Leigh
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...