Patent Assignment
Reel/Frame 022826/0716
Assignment of Assignor's Interest
Recorded: 2009-06-15
Pages: 6
Assignor
MATHIS, DAVID J.
Executed: 2009-05-23
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE, SUGAR LAND, TEXAS, 77478
Covered Properties
(2)
Subsea Tree Safety Control System
Method of Decreasing Probability of Failure on Demand to Obtain Sil Rating for a Subsea Test Tree Control System
Application:
61/046,198 →
Related Assignments
(1)
Other recorded transfers of the patents in this record — the chain of ownership.