TREA

Ulterra Drilling Tehcnologies, L.P.

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  • Fort Worth, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary drag bit
    • Patent number 9,038,752
    • Issue date May 26, 2015
    • Ulterra Drilling Tehcnologies, L.P.
    • Craig Knull
    • E21 - EARTH DRILLING MINING