TREA

David E. Stoddart

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  • Stroud, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Downhole tools
    • Patent number 4,715,440
    • Issue date Dec 29, 1987
    • Gearhart Tesel Limited
    • Timothy G. Boxell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole resettable formation sampling tool
    • Patent number 4,676,096
    • Issue date Jun 30, 1987
    • Gearhart Tesel, Ltd.
    • Frank B. Bardsley
    • E21 - EARTH DRILLING MINING