IP Library › Assignment 026030/0275
Patent Assignment
Reel/Frame 026030/0275

Assignment of Assignor's Interest

Recorded: 2011-03-28 Pages: 8
Assignors
DALLAS, L. MURRAY
Executed: 2005-05-01
MCGUIRE, BOB
Executed: 2005-05-01
Assignee
HWCES INTERNATIONAL
THREE ALLEN CENTER, 333 CLAY STREET, SUITE 4620, C/O OIL STATES INTERNATIONAL, INC., HOUSTON, TEXAS, 77002
Covered Property (1)
High-Pressure Plug Valve
Patent: 8,297,592 →
Application: 13/072,842 →
Publication: US 2011/0175008
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignee Change of Address Mar 28, 2011
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 026028/0261 →
Assignment of Assignor's Interest Mar 28, 2011
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 026030/0314 →
Assignment of Assignor's Interest Mar 28, 2011
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 026030/0354 →
Change of Name Mar 28, 2011
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 026034/0767 →
Merger Jan 11, 2013
From: STINGER WELLHEAD PROTECTION, INCORPORATED
To: OIL STATES ENERGY SERVICES, L.L.C.
Reel/Frame 029617/0280 →
Assignment of Assignor's Interest Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →