TREA

Carstensen; Kenneth J.

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  • Phoenix, AZ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Internally coated tubular system
    • Patent number 4,875,713
    • Issue date Oct 24, 1989
    • Carstensen; Kenneth J.
    • Kenneth J. Carstensen
    • E21 - EARTH DRILLING MINING