Patent Assignment
Reel/Frame 041573/0193
Assignment of Assignor's Interest
Recorded: 2017-03-14
Pages: 8
Assignors
LIENG, THU
Executed: 2016-12-12
JOHNSON, DARYL ERWIN
Executed: 2017-03-09
ROPER, TODD
Executed: 2016-12-12
CANNAN, CHAD
Executed: 2016-12-05
Assignee
CARBO CERAMICS, INC.
575 N. DAIRY ASHFORD RD., SUITE 300, HOUSTON, TEXAS, 77079
Covered Property
(1)
Methods and Compositions for Use of Proppant Surface Chemistry and Internal Porosity to Consolidate Proppant Particulates
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 →