TREA

Douglas B. Phillips Sr.

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  • Spring, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chamfering reamer with trip shoulder
    • Patent number 5,180,260
    • Issue date Jan 19, 1993
    • Douglas B. Phillips
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tri-motion grinding fixture
    • Patent number 4,995,301
    • Issue date Feb 26, 1991
    • Douglas B. Phillips
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Chamfering reamer with trip shoulder
    • Patent number 4,930,946
    • Issue date Jun 5, 1990
    • Douglas B. Phillips
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR