IP Library Assignment 022506/0102
Patent Assignment
Reel/Frame 022506/0102

Assignment of Assignor's Interest

Recorded: 2009-04-06 Pages: 3
Assignors
HUFF, PHILIP A.
Executed: 2007-03-27
PRUDEN, KEITH
Executed: 2007-03-27
Assignee
HYDRIL COMPANY LP
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032
Covered Property (1)
High Pressure-Rated Ram Blowout Preventer and Method of Manufacture
Application: 11/680,982 →
Publication: US 2008/0078081
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Mar 28, 2008
From: HYDRIL COMPANY LP
To: HYDRIL GENERAL LLC
Reel/Frame 020718/0733 →
Change of Name Mar 28, 2008
From: HYDRIL GENERAL LLC
To: HYDRIL LLC
Reel/Frame 020718/0758 →
Assignment of Assignor's Interest Jun 5, 2008
From: HYDRIL LLC
To: HYDRIL USA MANUFACTURING LLC
Reel/Frame 021050/0491 →