Patent Assignment
Reel/Frame 018559/0374
Assignment of Assignor's Interest
Recorded: 2006-11-29
Pages: 3
Assignee
HYDRIL COMPANY LP
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032
Covered Property
(1)
Expandable Threaded Connection
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.