TREA

Roger J. Perkins

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  • Evendale, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for hard facing a substrate
    • Patent number 5,812,926
    • Issue date Sep 22, 1998
    • General Electric Company
    • Joseph Carl Wukusick
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for making an abradable article
    • Patent number 4,937,042
    • Issue date Jun 26, 1990
    • General Electric Company
    • Roger J. Perkins
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Abradable article, and powder and method for making
    • Patent number 4,842,953
    • Issue date Jun 27, 1989
    • General Electric Company
    • Roger J. Perkins
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Homogenous alloy powder
    • Patent number 4,478,638
    • Issue date Oct 23, 1984
    • General Electric Company
    • Murray S. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR