TREA

Thomas D. Campbell

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  • Grand Ledge, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Guide mechanism for precision drilling and reaming
    • Patent number 4,915,551
    • Issue date Apr 10, 1990
    • The Olofsson Corporation
    • John A. Watson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Eccentric spindle
    • Patent number 4,895,058
    • Issue date Jan 23, 1990
    • The Olofsson Corporation
    • John A. Watson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR