John Henry Whelan

Person

  • The Woodlands, TX, US

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Casing adapter tool for well servicing

    • Publication number 20040173348
    • Publication date Sep 9, 2004
    • Stream-Flo Industries Ltd.
    • Nathan Kwasniewski
    • E21 - EARTH DRILLING MINING