IP Library › Assignment 033746/0297
Patent Assignment
Reel/Frame 033746/0297

Merger

Recorded: 2014-09-16 Pages: 7
Assignor
STINGER WELLHEAD PROTECTION, INC.
Executed: 2011-12-31
Assignee
OIL STATES ENERGY SERVICES, L.L.C.
333 CLAY STREET, SUITE 4980, HOUSTON, TEXAS, 77002
Covered Property (1)
Controlled Aperture Ball Drop
Patent: 9,869,151 →
Application: 14/487,211 →
Publication: US 2015/0000893
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 16, 2014
From: YOUNG, JOEL H.; BEASON, RONALD B.; CANNON, NICHOLAS J.; MCGUIRE, BOB
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 033746/0176 →
Assignment of Assignor's Interest Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →