Corrective Assignment to Correct the Assignor Name to Eugene Charles Chauviere Iii and Assignee Name to Hydril Usa Manufacturing Llc Previously Recorded on Reel 022359 Frame 0894. Assignor(S) Hereby Confirms the Assignment.

Recorded: 2021-07-28 Pages: 8

Assignors

BERCKENHOFF, MICHAEL WAYNE

Executed: 2009-02-06

CHAUVIERE, EUGENE CHARLES, III

Executed: 2009-02-11

GASS, DUSTIN DEAN

Executed: 2009-02-20

Assignee

HYDRIL USA MANUFACTURING LLC

3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032

Covered Property (1)

Method and Device with Biasing Force for Sealing a Well

Patent: 7,975,761 →

Application: 12/338,206 →

Publication: US 2010/0155086

Related Assignments (2)

Other recorded transfers of the patent in this record — the chain of ownership.