IP Library Assignment 043077/0634
Patent Assignment
Reel/Frame 043077/0634

Assignment of Assignor's Interest

Recorded: 2017-07-24 Pages: 8
Assignors
ANSCHUTZ, DONALD ALLEN
Executed: 2013-08-12
BURGESS, MICHAEL
Executed: 2013-09-13
PRUETT, ROBERT J
Executed: 2013-08-22
Assignee
IMERYS OILFIELDS MINERALS, INC.
100 MANSELL COURT EAST, SUITE 300, ROSWELL, GEORGIA, 30076
Covered Property (1)
Proppants and Anti-Flowback Additives Including Kaolin Clay
Patent: 9,771,513 →
Application: 14/909,719 →
Publication: US 2016/0186048
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 11, 2019
From: IMERYS OILFIELD MINERALS, INC.
To: US CERAMICS LLC
Reel/Frame 050687/0024 →