Patent Assignment
Reel/Frame 022848/0101
Change of Name
Recorded: 2009-06-18
Pages: 3
Assignor
HYDRIL GENERAL LLC
Executed: 2007-07-19
Assignee
HYDRIL LLC
2200 WEST LOOP SOUTH, SUITE 800, HOUSTON, TEXAS, 77027
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.
Assignment of Assignor's Interest
Dec 20, 2006
From: SIVLEY, ROBERT S., IV; REYNOLDS, HARRIS A., JR.
To: HYDRIL COMPANY LP
Reel/Frame 018660/0770 →
Merger
Jun 18, 2009
From: HYDRIL COMPANY LP
To: HYDRIL GENERAL LLC
Reel/Frame 022847/0659 →
Change of Name
Jan 7, 2011
From: HYDRIL LLC
To: HYDRIL COMPANY
Reel/Frame 025599/0988 →