Patent Assignment
Reel/Frame 033354/0221
Assignment of Assignor's Interest
Recorded: 2014-07-21
Pages: 5
Assignors
CANNAN, CHAD
Executed: 2014-07-10
LIENG, THU
Executed: 2014-07-08
JOHNSON, DARYL ERWIN
Executed: 2014-07-08
CONNER, MARK
Executed: 2014-07-08
Assignee
CARBO CERAMICS INC.
575 N. DAIRY ASHFORD RD., SUITE 300, HOUSTON, TEXAS, 77079
Covered Property
(1)
Compositions and Methods for Use of Proppant Surface Chemistry to Improve Proppant Consolidation and Flowback Control
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Patent Security Agreement
Apr 28, 2016
From: CARBO CERAMICS INC.; FALCON TECHNOLOGIES AND SERVICES, INC.; STRATAGEN, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 038555/0688 →
Release of Security Interest
Mar 3, 2017
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: CARBO CERAMICS INC.; ASSET GUARD PRODUCTS INC. (F/K/A FALCON TECHNOLOGIES AND SERVICES, INC.); STRATAGEN, INC.
Reel/Frame 041879/0930 →