IP Library › Assignment 025939/0832
Patent Assignment
Reel/Frame 025939/0832

Assignment of Assignor's Interest

Recorded: 2011-03-10 Pages: 4
Assignors
MCGUIRE, BOB
Executed: 2011-02-15
ARTHERHOLT, DANNY LEE
Executed: 2011-02-15
Assignee
STINGER WELLHEAD PROTECTION, INC.
4301 WILL ROGERS PARKWAY, SUITE 600, OKLAHOMA CITY, OKLAHOMA, 73108
Covered Property (1)
Horizontal Frac Ball Injector
Patent: 8,869,883 →
Application: 13/032,163 →
Publication: US 2012/0211219
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Apr 16, 2013
From: STINGER WELLHEAD PROTECTION, INC.
To: OIL STATES ENERGY SERVICES, L.L.C.
Reel/Frame 030222/0792 →
Assignment of Assignor's Interest Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →