IP Library › Assignment 021942/0442
Patent Assignment
Reel/Frame 021942/0442

Assignment of Assignor's Interest

Recorded: 2008-12-09 Pages: 8
Assignors
DALLAS, L. MURRAY
Executed: 2005-05-01
MCGUIRE, BOB
Executed: 2005-05-01
Assignee
HWCES INTERNATIONAL
333 CLAY STREET, SUITE 4620, C/O OIL STATES INTERNATIONAL, INC., HOUSTON, TEXAS, 77002
Covered Property (1)
Drilling Flange and Independent Screwed Wellhead with Metal-to-Metal Seal and Method of Use
Patent: 7,650,936 →
Application: 12/330,604 →
Publication: US 2009/0084538
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 9, 2008
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 021942/0545 →
Assignment of Assignor's Interest Dec 9, 2008
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 021942/0821 →
Change of Name Dec 9, 2008
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 021942/0855 →
Assignee Change of Address Dec 9, 2008
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 021946/0046 →
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 →