Patent Assignment
Reel/Frame 033024/0274
Assignment of Assignor's Interest
Recorded: 2014-06-04
Pages: 3
Assignee
CARBO CERAMICS INC.
575 N. DAIRY ASHFORD, SUITE 300, HOUSTON, TEXAS, 77079
Covered Properties
(2)
Electrically Conductive Proppant and Methods for Detecting, Locating and Characterizing the Electrically Conductive Proppant
Electrically Conductive Proppant and Methods for Detecting, Locating and Characterizing the Electrically Conductive Proppant
Application:
61/749,093 →
Related Assignments
(5)
Other recorded transfers of the patents 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 →
Confirmatory License
Mar 30, 2015
From: SANDIA CORPORATION
To: U.S. DEPARTMENT OF ENERGY
Reel/Frame 035334/0293 →
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 →