WELLFIRST TECHNOLOGIES, INC

Organization

  • HOUSTON, TX, US

Patents Applicationslast 30 patents

  • Information Patent Application

    PLUG ASSEMBLY FOR A PIPE SYSTEM

    • Publication number 20190128088
    • Publication date May 2, 2019
    • Wellfirst Technologies Inc.
    • John MacDonald
    • E21 - EARTH DRILLING MINING