IP Library Assignment 049612/0249
Patent Assignment
Reel/Frame 049612/0249

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 and Methods for Energizing and Detecting Same in a Single Wellbore
Application: 15/498,266 →
Publication: US 2017/0226411
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 12, 2018
From: CANNAN, CHAD; BARTEL, LEWIS; ROPER, TODD
To: CARBO CERAMICS, INC.
Reel/Frame 044607/0415 →