IP Library › Assignment 020831/0697
Patent Assignment
Reel/Frame 020831/0697

Assignment of Assignor's Interest

Recorded: 2008-04-21 Pages: 7
Assignor
HWCES INTERNATIONAL
Executed: 2006-08-30
Assignee
OIL STATES ENERGY SERVICES, INC.
333 CLAY STREET, SUITE 4620, C/O OIL STATES INTERNATIONAL, INC., HOUSTON, TEXAS, 77002
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: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 020831/0877 →
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 →