TREA

James H. Campbell

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  • Tempe, AZ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bit holder with impact release mechanism
    • Patent number 4,619,567
    • Issue date Oct 28, 1986
    • James H. Campbell
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pressure foot for machine tool
    • Patent number 4,514,122
    • Issue date Apr 30, 1985
    • James H. Campbell
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR