Patent Assignment
Reel/Frame 034104/0332
Confirmatory License
Recorded: 2014-11-05
Pages: 2
Assignor
SANDIA CORPORATION
Executed: 2014-09-08
Assignee
U.S. DEPARTMENT OF ENERGY
1000 INDEPENDNCE AVE., SW, WASHINGTON, DISTRICT OF COLUMBIA, 20585
Covered Property
(1)
Systems and Methods for Locating and Imaging Proppant in an Induced Fracture
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 3, 2015
From: ALDRIDGE, DAVID F.
To: SANDIA CORPORATION
Reel/Frame 034879/0821 →
Assignment of Assignor's Interest
May 13, 2015
From: BARTEL, LEWIS C.
To: CARBO CERAMICS INC.
Reel/Frame 035633/0014 →
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 →
Change of Name
Jul 18, 2019
From: SANDIA CORPORATION
To: NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC
Reel/Frame 049798/0295 →