TREA

Thomas J. Maechler

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  • Indian Trail, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drill bit for trenchless drilling
    • Patent number 6,634,444
    • Issue date Oct 21, 2003
    • Sandvik Rock Tools, Inc.
    • Gary A. Fuller
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents