TREA

Ernest Newton Sumrall

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  • Huntsville, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Borehole conditioning tools
    • Patent number 10,738,547
    • Issue date Aug 11, 2020
    • Ernest Newton Sumrall
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Borehole conditioning tools
    • Patent number 10,337,266
    • Issue date Jul 2, 2019
    • Ernest Newton Sumrall
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents