IP Library › Assignment 019782/0838
Patent Assignment
Reel/Frame 019782/0838

Assignment of Assignor's Interest

Recorded: 2007-04-16 Pages: 7
Assignors
DALLAS, L. MURRAY
Executed: 2005-05-01
MCGUIRE, BOB
Executed: 2005-05-01
Assignee
HWCES INTERNATIONAL
C/O OIL STATES INTERNATIONAL, INC., THREE ALLEN CENTER, 333 CLAY STREET, SUITE, HOUSTON, TEXAS, 77002
Covered Property (1)
Method of Refurbishing a High-Pressure Plug Valve
Patent: 7,703,205 →
Application: 11/787,388 →
Publication: US 2007/0193011
Related Assignments (7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 16, 2007
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 019799/0956 →
Change of Name Apr 16, 2007
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 019799/0969 →
Assignment of Assignor's Interest Apr 16, 2007
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 019804/0693 →
Assignment of Assignor's Interest Apr 16, 2007
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 019278/0821 →
Change of Assignee Address Jul 19, 2007
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 019588/0172 →
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 →