IP Library Assignment 021940/0668
Patent Assignment
Reel/Frame 021940/0668

Merger

Recorded: 2008-12-08 Pages: 3
Assignor
HYDRIL COMPANY LP
Executed: 2007-06-29
Assignee
HYDRIL GENERAL LLC
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032-3411
Covered Property (1)
Coupled Connection with an Externally Supported Pin Nose Seal
Patent: 7,478,842 →
Application: 11/131,845 →
Publication: US 2006/0273586
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 →
Change of Name Dec 8, 2008
From: HYDRIL GENERAL LLC
To: HYDRIL LLC
Reel/Frame 021940/0944 →
Change of Name Jan 7, 2011
From: HYDRIL LLC
To: HYDRIL COMPANY
Reel/Frame 025599/0988 →