Patent Assignment
Reel/Frame 022478/0677
Assignment of Assignor's Interest
Recorded: 2009-03-31
Pages: 3
Assignor
RODRIGUEZ, PERRIN STACY
Executed: 2009-03-31
Assignee
HYDRIL USA MANUFACTURING LLC
3300 N. SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032
Covered Property
(1)
Interchangeable Subsea Wellhead Devices and Methods
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.