TREA

John David Sangster

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  • Aberdeenshire, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wellbore control device
    • Patent number 7,779,918
    • Issue date Aug 24, 2010
    • Enovate Systems Limited
    • Gavin David Cowie
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Wellbore Control Device
    • Publication number 20080257557
    • Publication date Oct 23, 2008
    • Gavin David Cowie
    • E21 - EARTH DRILLING MINING