Patent Assignment
Reel/Frame 022175/0012
Assignment of Assignor's Interest
Recorded: 2009-01-29
Pages: 8
Assignors
SMITH, HARRY D., JR.
Executed: 2009-01-16
DUENCKEL, ROBERT
Executed: 2009-01-21
SMITH, MICHAEL P.
Executed: 2009-01-22
Assignee
CARBO CERAMICS INC.
6565 MACARTHUR BLVD., SUITE 1050, IRVING, TEXAS, 75039
Covered Property
(1)
Method of Logging a Well Using a Thermal Neutron Absorbing Material
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 →