Patent Assignment
Reel/Frame 042911/0270
Assignment of Assignor's Interest
Recorded: 2017-07-05
Pages: 8
Assignors
CANNAN, CHAD
Executed: 2016-12-05
BARTEL, LEWIS
Executed: 2016-12-04
ROPER, TODD
Executed: 2016-12-12
Assignee
CARBO CERAMICS, INC.
575 N. DAIRY ASHFORD, SUITE 300, HOUSTON, TEXAS, 77079
Covered Property
(1)
Proppant Having Non-Uniform Electrically Conductive Coatings and Methods for Making and Using Same
Related Assignments
(3)
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 →
Confirmatory License
Jun 27, 2019
From: NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC
To: U.S. DEPARTMENT OF ENERGY
Reel/Frame 049611/0670 →