TREA

Conrad C. Treff

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  • Madison Heights, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Collet type work driver
    • Patent number 4,971,339
    • Issue date Nov 20, 1990
    • Illinois Tool Works, Inc.
    • Conrad C. Treff
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR