Robert E. Marshall

Person

  • Calgary, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Drillship canopy

    • Patent number 4,455,958
    • Issue date Jun 26, 1984
    • Dome Petroleum Limited
    • J. Cam O'Rourke
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT