Patent Assignment
Reel/Frame 019311/0135
Assignment of Assignor's Interest
Recorded: 2007-04-25
Pages: 10
Assignor
DALLAS, L. MURRAY
Executed: 2005-05-01
Assignee
HWCES INTERNATIONAL
THREE ALLEN CENTER, 333 CLAY STREET, C/O OIL STATES INTERNATIONAL, INC., SUITE 4620, HOUSTON, TEXAS, 77002
Covered Property
(1)
Apparatus for Controlling a Tool Having a Mandrel That Must Be Stroked into or Out of a Well
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 25, 2007
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 019291/0204 →
Assignment of Assignor's Interest
Apr 25, 2007
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 019291/0254 →
Change of Name
Apr 25, 2007
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 019291/0274 →
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 →