IP Library › Assignment 022905/0143
Patent Assignment
Reel/Frame 022905/0143

Assignment of Assignor's Interest

Recorded: 2009-07-01 Pages: 5
Assignors
HUFF, PHILIP A.
Executed: 2009-06-26
KHANDOKER, SHAFIQ
Executed: 2009-04-27
Assignee
HYDRIL USA MANUFACTURING LLC
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032-3411
Covered Property (1)
Reinforcement of Irregular Pressure Vessels
Patent: 7,721,401 →
Application: 11/528,873 →
Publication: US 2010/0095507
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 →