IP Library Assignment 034435/0966
Patent Assignment
Reel/Frame 034435/0966

Merger

Recorded: 2014-12-09 Pages: 7
Assignor
Assignee
OIL STATES ENERGY SERVICES, L.L.C.
333 CLAY STREET, SUITE 4980, HOUSTON, TEXAS, 77002
Covered Property (1)
Multipart Frac Head with Replaceable Components
Patent: 8,931,551 →
Application: 13/331,287 →
Publication: US 2012/0085532
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 20, 2011
From: MCGUIRE, BOB
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 027419/0167 →
Assignment of Assignor's Interest Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →