IP Library › Assignment 018869/0393
Patent Assignment
Reel/Frame 018869/0393

Assignment of Assignor's Interest

Recorded: 2007-01-29 Pages: 7
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, HOUSTON, TEXAS, 77002
Covered Property (1)
Wellhead and Control Stack Pressure Test Plug Tool
Patent: 7,516,786 →
Application: 11/699,264 →
Publication: US 2007/0125531
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 29, 2007
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 018869/0309 →
Change of Name Jan 29, 2007
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 018869/0331 →
Assignment of Assignor's Interest Jan 29, 2007
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 018869/0339 →
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 →