Patent Assignment
Reel/Frame 018660/0770
Assignment of Assignor's Interest
Recorded: 2006-12-20
Pages: 3
Assignee
HYDRIL COMPANY LP
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032
Covered Property
(1)
Dope Relief Method for Wedge Thread Connections
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.