IP Library Assignment 022045/0741
Patent Assignment
Reel/Frame 022045/0741

Assignment of Assignor's Interest

Recorded: 2008-12-31 Pages: 20
Assignor
OIL STATES ENERGY SERVICES, INC.
Executed: 2006-12-19
Assignee
STINGER WELLHEAD PROTECTION, INC.
P.O. BOX 1639, ALLEN, TEXAS, 75013-0028
Covered Property (1)
Hybrid Wellhead System and Method of Use
Patent: 7,721,808 →
Application: 12/347,280 →
Publication: US 2009/0114397
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 31, 2008
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 022045/0538 →
Assignment of Assignor's Interest Dec 31, 2008
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 022045/0627 →
Change of Name Dec 31, 2008
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 022047/0451 →
Assignee Change of Address Dec 31, 2008
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 022047/0470 →
Merger Oct 15, 2012
From: STINGER WELLHEAD PROTECTION, INCORPORATED
To: OIL STATES ENERGY SERVICES, L.L.C.
Reel/Frame 029131/0638 →
Assignment of Assignor's Interest Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →