IP Library › Assignment 030225/0807
Patent Assignment
Reel/Frame 030225/0807

Assignment of Assignor's Interest

Recorded: 2013-04-16 Pages: 8
Assignors
GAY, MICHAEL
Executed: 2012-09-17
DRAGON'S HEAD CONSULTING, LLC
Executed: 2012-09-17
Assignee
PIONEER NATURAL RESOURCES USA, INC.
5205 NORTH O'CONNOR BLVD., SUITE 200, IRVING, TEXAS, 75039-4412
Covered Property (1)
Well Treatment Device, Method, and System
Patent: 9,404,353 →
Application: 13/836,068 →
Publication: US 2014/0069652
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 16, 2013
From: ESPINOZA, CHARLES; ZEMLAK, KYLE
To: PIONEER NATURAL RESOURCES PUMPING SERVICES LLC
Reel/Frame 030225/0944 →
Assignment of Assignor's Interest Aug 27, 2024
From: PIONEER NATURAL RESOURCES USA, INC.
To: EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY
Reel/Frame 068412/0738 →