Patent Assignment
Reel/Frame 048236/0803
Assignment of Assignor's Interest
Recorded: 2019-02-04
Pages: 8
Assignors
CANNAN, CHAD
Executed: 2016-12-05
BARTEL, LEWIS
Executed: 2016-12-04
ROPER, TODD
Executed: 2016-12-12
Assignee
CARBO CERAMICS, INC.
575 N. DAIRY ASHFORD, SUITE 300, HOUSTON, TEXAS, 77079
Covered Property
(1)
Proppant Having Non-Uniform Electrically Conductive Coatings and Methods for Making and Using Same