TREA

David M. Hray

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  • Solon, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gear hobbing cutter system
    • Patent number 7,059,810
    • Issue date Jun 13, 2006
    • Kennametal Inc.
    • Mark A. Francis
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Gear hobbing cutter system
    • Patent number 6,609,858
    • Issue date Aug 26, 2003
    • Kennametal Inc.
    • Mark A. Francis
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Gear hobbing cutter system
    • Publication number 20030198524
    • Publication date Oct 23, 2003
    • Mark A. Francis
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR