IP Library Assignment 045502/0057
Patent Assignment
Reel/Frame 045502/0057

Assignment of Assignor's Interest

Recorded: 2018-04-11 Pages: 8
Assignors
STEPHENSON, CHRISTOPHER J.
Executed: 2017-08-07
EVERETT, BERENICE C.
Executed: 2016-09-26
BURDELL, PARKER
Executed: 2017-08-03
BOUTELLE, TONIA
Executed: 2016-09-28
Assignee
IMERYS OILFIELD MINERALS, INC.
100 MANSELL COURT EAST, SUITE 300, ROSWELL, GEORGIA, 30076
Covered Property (1)
Proppants Having Fine, Narrow Particle Size Distribution and Related Methods
Application: 15/762,568 →
Publication: US 2018/0258343
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 →