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Michael J. Hewitt

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  • Amite, LA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drill alignment device
    • Patent number 10,767,432
    • Issue date Sep 8, 2020
    • Tressie L. Hewitt
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Holder for a drill alignment device
    • Patent number D837272
    • Issue date Jan 1, 2019
    • Tressie L. Hewitt
    • D15 - Machines not elsewhere specified