Patent Assignment
Reel/Frame 054575/0305
Assignment of Assignor's Interest
Recorded: 2020-12-08
Pages: 9
Assignors
PARNELL, EARL
Executed: 2011-09-20
SANNER, TODD
Executed: 2011-09-20
HOLTMYER, MARLIN
Executed: 2011-09-28
PHILPOT, DAVID
Executed: 2011-09-20
ZELENEV, ANDREI
Executed: 2011-09-13
GILZOW, GYDEON
Executed: 2011-09-16
CHAMPAGNE, LAKIA
Executed: 2011-09-13
SIFFERMAN, THOMAS
Executed: 2011-09-13
Assignee
CESI CHEMICAL, INC.
1004 S. PLAINSMAN ROAD, MARLOW, OKLAHOMA, 73055
Covered Property
(1)
Method of Preparing and Using a Drag-Reducing Additive Having a Dispersion Polymer
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Conversion
Dec 8, 2020
From: CESI CHEMICAL, INC.
To: FLOTEK CHEMISTRY, LLC
Reel/Frame 055735/0269 →
Confirmatory Assignment
Nov 16, 2022
From: ZELENEV, ANDREI
To: CESI CHEMICAL, INC.
Reel/Frame 061951/0025 →
Corrective Assignment to Correct the the Fif the Inventor Signature Block on the Assignment Previously Recorded at Reel: 046509 Frame: 0856. Assignor(S) Hereby Confirms the Assignment.
Jan 18, 2023
From: PARNELL, EARL; SANNER, TODD; HOLTMYER, MARLIN; PHILPOT, DAVID
To: CESI CHEMICAL, INC.
Reel/Frame 063543/0550 →