IP Library › Assignment 049611/0436
Patent Assignment
Reel/Frame 049611/0436

Confirmatory License

Recorded: 2019-06-27 Pages: 2
Assignor
Assignee
U.S. DEPARTMENT OF ENERGY
1000 INDEPENDNCE AVE., SW, WASHINGTON, DISTRICT OF COLUMBIA, 20585
Covered Property (1)
Electrically Conductive Proppant
Application: 15/330,962 →
Publication: US 2019/0330520
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 9, 2019
From: SANDIA CORPORATION
To: NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC
Reel/Frame 050308/0992 →
Assignment of Assignor's Interest May 5, 2021
From: PALISCH, TERRY; ROPER, TODD; ALDRIDGE, DAVID
To: CARBO CERAMICS INC.
Reel/Frame 056149/0723 →