TREA

Leonard L. Ervin

Follow

Person

  • Whitehall, MI, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Die casting
    • Patent number 6,805,189
    • Issue date Oct 19, 2004
    • Howmet Research Corporation
    • Leonard L. Ervin
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Permanent mold for casting reactive melt
    • Patent number 5,443,111
    • Issue date Aug 22, 1995
    • Howmet Corporation
    • Gregory N. Colvin
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Permanent mold casting of reactive melt
    • Patent number 5,287,910
    • Issue date Feb 22, 1994
    • Howmet Corporation
    • Gregory N. Colvin
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

  • Information Patent Application

    Die casting in investment mold
    • Publication number 20070137827
    • Publication date Jun 21, 2007
    • Howmet Corporation
    • Russell G. Vogt
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    Die casting
    • Publication number 20040084170
    • Publication date May 6, 2004
    • Leonard L. Ervin
    • B22 - CASTING POWDER METALLURGY