IP Library › Assignment 015873/0095
Patent Assignment
Reel/Frame 015873/0095

Assignment of Assignor's Interest

Recorded: 2004-10-08 Pages: 3
Assignor
HOLLAND, WILLIAM R.
Executed: 2004-09-30
Assignee
HYDRIL COMPANY LP
3300 N. SAM HOUSTON PKWY. E., HOUSTON, TEXAS, 77032
Covered Property (1)
Quick Release Blowout Preventer Bonnet
Patent: 6,845,959 →
Application: 10/424,698 →
Publication: US 2004/0021102
Related Assignments (4)
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 →
Merger Nov 10, 2021
From: HYDRIL USA MANUFACTURING LLC
To: HYDRIL USA DISTRIBUTION LLC
Reel/Frame 058783/0921 →