IP Library › Assignment 026949/0118
Patent Assignment
Reel/Frame 026949/0118

Assignment of Assignor's Interest

Recorded: 2011-09-22 Pages: 3
Assignor
ARTHERHOLT, DANNY LEE
Executed: 2011-09-21
Assignee
STINGER WELLHEAD PROTECTION, INC.
4301 WILL ROGERS PARKWAY, SUITE 600, OKLAHOMA CITY, OKLAHOMA, 73108
Covered Property (1)
Frac Head with Sacrificial Wash Ring
Patent: 8,770,277 →
Application: 13/240,166 →
Publication: US 2013/0075079
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 →