IP Library › Assignment 031798/0262
Patent Assignment
Reel/Frame 031798/0262

Merger

Recorded: 2013-12-17 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 Apperture Ball Drop
Patent: 8,839,851 →
Application: 14/105,688 →
Publication: US 2014/0096948
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 13, 2013
From: YOUNG, JOEL H.; BEASON, RONALD B.; CANNON, NICHOLAS J.; MCGUIRE, BOB
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 031779/0535 →
Assignment of Assignor's Interest Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →