Robert Olsen

Person

  • Stavanger, NO

Patents Grantslast 30 patents

  • Information Patent Grant

    Safety joint and riser

    • Patent number 9,091,127
    • Issue date Jul 28, 2015
    • Vetco Gray Scandinavia AS
    • Robert Olsen
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents