Patent Assignment
Reel/Frame 019308/0967
Corrective Assignment to Correct the Incorrect Serial Number from 11/445,978 to 11/455,978. Document Previously Recorded at Reel 018767 Frame 0230.
Recorded: 2007-05-08
Pages: 21
Assignor
OIL STATES ENERGY SERVICES, INC.
Executed: 2006-12-19
Assignee
STINGER WELLHEAD PROTECTION, INC.
P.O. BOX 1639, ALLEN, TEXAS, 75013-0028
Covered Property
(1)
Casing Mandrel with Well Stimulation Tool and Tubing Head Spool for Use with the Casing Mandrel
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 19, 2006
From: DALLAS, L. MURRAY; MCGUIRE, BOB
To: HWCES INTERNATIONAL
Reel/Frame 018011/0547 →
Assignment of Assignor's Interest
Jun 19, 2006
From: HWCES INTERNATIONAL
To: HWC ENERGY SERVICES, INC.
Reel/Frame 018011/0577 →
Change of Name
Jun 19, 2006
From: HWC ENERGY SERVICES, INC.
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 018014/0107 →
Assignment of Assignor's Interest
Dec 21, 2006
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 018767/0230 →
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 →