TREA

Craig A. Holman

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  • Newark, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Freight car yoke molding apparatus and method
    • Patent number 8,627,875
    • Issue date Jan 14, 2014
    • Columbus Steel Castings Company
    • Steven R. Pinkstock
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Molding apparatus and method
    • Patent number 7,543,626
    • Issue date Jun 9, 2009
    • Columbus Steel Castings Company
    • Steven R. Pinkstock
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents