Patent Assignment
Reel/Frame 035334/0293
Confirmatory License
Recorded: 2015-03-30
Pages: 2
Assignor
SANDIA CORPORATION
Executed: 2015-02-23
Assignee
U.S. DEPARTMENT OF ENERGY
1000 INDEPENDNCE AVE., SW, WASHINGTON, DISTRICT OF COLUMBIA, 20585
Covered Property
(1)
Electrically Conductive Proppant and Methods for Detecting, Locating and Characterizing the Electrically Conductive Proppant
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 4, 2014
From: BARTEL, LEWIS; ALDRIDGE, DAVID
To: SANDIA CORPORATION
Reel/Frame 033024/0246 →
Assignment of Assignor's Interest
Jun 4, 2014
From: CANNAN, CHAD; PALISCH, TERRENCE
To: CARBO CERAMICS INC.
Reel/Frame 033024/0274 →
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
May 22, 2018
From: SANDIA CORPORATION
To: NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC
Reel/Frame 046871/0595 →