Alexandere G. E. Kosmala

Person

  • Houston, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Valves for use in wells

    • Patent number 6,973,974
    • Issue date Dec 13, 2005
    • Schlumberger Technology Corporation
    • Eugene P. McLoughlin
    • E21 - EARTH DRILLING MINING