Patent Assignment
Reel/Frame 023467/0911
Change of Assignee Address
Recorded: 2009-11-04
Pages: 2
Assignor
STINGER WELLHEAD PROTECTION, INC.
Executed: 2007-07-16
Assignee
STINGER WELLHEAD PROTECTION, INC.
4301 WILL ROGERS PARKWAY, SUITE 600-700, OKLAHOMA CITY, OKLAHOMA, 73108
Covered Property
(1)
Fracturing Head with Replaceable Inserts for Improved Wear Resistance and Method of Refurbishing Same
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 4, 2009
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 023467/0664 →
Assignment of Assignor's Interest
Nov 4, 2009
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 023467/0723 →
Change of Name
Nov 4, 2009
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 023467/0817 →
Assignment of Assignor's Interest
Nov 4, 2009
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 023467/0880 →
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 →