IP Library › Assignment 027421/0292
Patent Assignment
Reel/Frame 027421/0292

Assignment of Assignor's Interest

Recorded: 2011-12-20 Pages: 3
Assignor
MCGUIRE, BOB
Executed: 2011-12-19
Assignee
STINGER WELLHEAD PROTECTION, INC.
4301 WILL ROGERS PARKWAY, SUITE 600, OKLAHOMA CITY, OKLAHOMA, 73108
Covered Property (1)
Ball Drop Wellhead Control Apparatus
Patent: 9,010,412 →
Application: 13/331,903 →
Publication: US 2013/0153237
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Mar 19, 2015
From: STINGER WELLHEAD PROTECTION, INC.
To: OIL STATES ENERGY SERVICES, L.L.C.
Reel/Frame 035203/0350 →
Assignment of Assignor's Interest Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →