Patent Assignment
Reel/Frame 023444/0907
Assignment of Assignor's Interest
Recorded: 2009-10-29
Pages: 4
Assignee
HYDRIL USA MANUFACTURING LLC
3300 NORTH SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032-3411
Covered Property
(1)
Position Data Based Method, Interface and Device for Blowout Preventer
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.