Ram for a blowout preventer and a blowout preventer provided with rams

Assignee

• Electrical Subsea & Drilling As

Inventors

• THOR ARNE HAVERSTAD (2 patents)
• Erik Norbom (5 patents)
• J. GILBERT NANCE (2 patents)
• John L. Alsup (2 patents)
• Bolie C. Williams, III (14 patents)

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