Patent Assignment
Reel/Frame 021940/0944
Change of Name
Recorded: 2008-12-08
Pages: 3
Assignor
HYDRIL GENERAL LLC
Executed: 2007-07-19
Assignee
HYDRIL LLC
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032-3411
Covered Property
(1)
Coupled Connection with an Externally Supported Pin Nose Seal
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 26, 2007
From: REYNOLDS, HARRIS A., JR.; SIVLEY, ROBERT S., IV
To: HYDRIL COMPANY LP
Reel/Frame 018809/0975 →
Merger
Dec 8, 2008
From: HYDRIL COMPANY LP
To: HYDRIL GENERAL LLC
Reel/Frame 021940/0668 →
Change of Name
Jan 7, 2011
From: HYDRIL LLC
To: HYDRIL COMPANY
Reel/Frame 025599/0988 →