TREA

Terence P. O'Sullivan

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  • Seal Beach, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lined casing inspection method
    • Patent number 5,072,388
    • Issue date Dec 10, 1991
    • Union Oil Company of California
    • Terence P. O'Sullivan
    • E21 - EARTH DRILLING MINING