TREA

Sterling Robinson

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hybrid roller cone and junk mill bit
    • Patent number 10,337,272
    • Issue date Jul 2, 2019
    • Varel International Ind., L.P.
    • Johnathan Walter Howard
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    HYBRID ROLLER CONE AND JUNK MILL BIT
    • Publication number 20190271203
    • Publication date Sep 5, 2019
    • VAREL INTERNATIONAL IND., L.P.
    • Johnathan Walter Howard
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    HYBRID ROLLER CONE AND JUNK MILL BIT
    • Publication number 20170234092
    • Publication date Aug 17, 2017
    • VAREL INTERNATIONAL IND., L.P.
    • Johnathan Howard
    • E21 - EARTH DRILLING MINING