Patent Assignment
Reel/Frame 023477/0144
Assignment of Assignor's Interest
Recorded: 2009-11-05
Pages: 3
Assignor
GUSTAFSON, RYAN
Executed: 2009-11-02
Assignee
HYDRIL USA MANUFACTURING LLC
3300 NORTH SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032-3411
Covered Property
(1)
Safety Mechanism for Blowout Preventer
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.