Patent Assignment
Reel/Frame 050166/0345
Change of Name
Recorded: 2019-08-26
Pages: 6
Assignor
SANDIA CORPORATION
Executed: 2017-05-01
Assignee
NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC
P.O. BOX 5800, MS-0161, ALBUQUERQUE, NEW MEXICO, 87185
Covered Property
(1)
Electrically Conductive Proppant and Methods for Detecting, Locating and Characterizing the Electrically Conductive Proppant
Application:
14/629,004 →
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 →
Assignment of Assignor's Interest
Dec 9, 2016
From: BARTEL, LEWIS; ALDRIDGE, DAVID
To: SANDIA CORPORATION
Reel/Frame 040961/0221 →
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 →