TREA

John R. Purviance

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  • Farmington Hills, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Snap-on pad for chuck key
    • Patent number 4,718,797
    • Issue date Jan 12, 1988
    • John R. Purviance
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chuck key holder
    • Patent number 4,123,195
    • Issue date Oct 31, 1978
    • John R. Purviance
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS