Patent Assignment
Reel/Frame 041645/0493
Confirmatory License
Recorded: 2017-02-07
Pages: 2
Assignor
SANDIA CORPORATION
Executed: 2017-01-26
Assignee
U.S. DEPARTMENT OF ENERGY
1000 INDEPENDNCE AVE., SW, WASHINGTON, DISTRICT OF COLUMBIA, 20585
Covered Property
(1)
Methods and Systems for Determining Subterranean Fracture Closure
Related Assignments
(6)
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 →
Assignment of Assignor's Interest
Nov 3, 2016
From: CANNON, CHAD; ROPER, TODD; SAVOY, STEVE; MITCHELL, DANIEL R.
To: CARBO CERAMICS INC.
Reel/Frame 040209/0245 →
Assignment of Assignor's Interest
Nov 4, 2016
From: CANNON, CHAD; PALISCH, TERRENCE
To: CARBO CERAMICS INC.
Reel/Frame 040226/0889 →
Assignment of Assignor's Interest
Nov 4, 2016
From: BARTEL, LEWIS; ALDRIDGE, DAVID
To: SANDIA CORPORATION
Reel/Frame 040227/0082 →
Assignment of Assignor's Interest
Dec 9, 2016
From: BARTEL, LEWIS; ALDRIDGE, DAVID
To: SANDIA CORPORATION
Reel/Frame 040960/0557 →
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 →