Patent Assignment
Reel/Frame 021301/0724
Change of Name
Recorded: 2008-07-29
Pages: 10
Assignor
HYDRIL LLC
Executed: 2008-04-01
Assignee
HYDRIL USA MANUFACTURING LLC
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032-3411
Covered Property
(1)
Mounts for Blowout Preventer Bonnets
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.