Patent Assignment
Reel/Frame 058783/0921
Merger
Recorded: 2021-11-10
Pages: 4
Assignor
HYDRIL USA MANUFACTURING LLC
Executed: 2013-08-27
Assignee
HYDRIL USA DISTRIBUTION LLC
17021 ALDINE WESTFIELD, HOUSTON, TEXAS, 77073
Covered Property
(1)
Quick Release Blowout Preventer Bonnet
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 8, 2004
From: HOLLAND, WILLIAM R.
To: HYDRIL COMPANY LP
Reel/Frame 015873/0095 →
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 →