Patent Assignment
Reel/Frame 022580/0822
Assignment of Assignor's Interest
Recorded: 2009-04-22
Pages: 3
Assignee
DRIL-QUIP, INC.
13550 HEMPSTEAD HIGHWAY, HOUSTON, TEXAS, 77040-5851
Covered Property
(1)
Wellhead Conversion System and Method
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.