IP Library › Assignment 020831/0877
Patent Assignment
Reel/Frame 020831/0877

Assignment of Assignor's Interest

Recorded: 2008-04-21 Pages: 20
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)
Slip Spool Assembly and Method of Using Same
Patent: 7,743,856 →
Application: 12/106,440 →
Publication: US 2008/0196882
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 21, 2008
From: MCGUIRE, BOB; DALLAS, L. MURRAY; ROSENHAUCH, IRWIN
To: HWCES INTERNATIONAL
Reel/Frame 020831/0287 →
Assignment of Assignor's Interest Apr 21, 2008
From: HWCES INTERNATIONAL
To: OIL STATES ENERGY SERVICES, INC.
Reel/Frame 020831/0697 →
Assignor's Change of Address Apr 21, 2008
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 020832/0485 →
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 →