Assignment of Assignor's Interest

Recorded: 2003-12-02 Pages: 2

Assignor

PETROLEUM GEO-SERVICES AS

Executed: 2003-09-12

Assignee

OCEAN RISER SYSTEM AS

LYSAKER TORG 25, N-1366, LYSAKER, NORWAY

Covered Property (1)

Riser Tube for Use in Great Sea Depth and Method for Drilling at Such Depths

Patent: 6,454,022 →

Application: 09/509,084 →

Related Assignments (2)

Other recorded transfers of the patent in this record — the chain of ownership.