IP Library Assignment 023477/0144
Patent Assignment
Reel/Frame 023477/0144

Assignment of Assignor's Interest

Recorded: 2009-11-05 Pages: 3
Assignor
GUSTAFSON, RYAN
Executed: 2009-11-02
Assignee
HYDRIL USA MANUFACTURING LLC
3300 NORTH SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032-3411
Covered Property (1)
Safety Mechanism for Blowout Preventer
Patent: 8,770,298 →
Application: 12/608,631 →
Publication: US 2011/0100637
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 27, 2021
From: HYDRIL USA MANUFACTURING LLC
To: HYDRIL USA DISTRIBUTION LLC
Reel/Frame 057608/0915 →