IP Library › Assignment 025992/0018
Patent Assignment
Reel/Frame 025992/0018

Assignment of Assignor's Interest

Recorded: 2011-03-21 Pages: 8
Assignors
KAKADJIAN, SARKIS R.
Executed: 2011-03-15
ZAMORA, FRANK
Executed: 2011-03-15
POWELL, RONALD
Executed: 2011-03-15
FITZGERALD, ERIN
Executed: 2011-03-15
Assignee
CLEARWATER INTERNATIONAL, LLC
515 POST OAK BLVD., HOUSTON, TEXAS, 77027
Covered Property (1)
Enhancing Drag Reduction Properties of Slick Water Systems
Patent: 8,841,240 →
Application: 13/052,947 →
Publication: US 2012/0245061
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 9, 2015
From: CLEARWATER INTERNATIONAL, L.L.C.
To: LUBRIZOL OILFIELD SOLUTIONS, INC.
Reel/Frame 036822/0379 →
Assignment of Assignor's Interest Jan 18, 2018
From: LUBRIZOL OILFIELD SOLUTIONS, INC.
To: THE LUBRIZOL CORPORATION
Reel/Frame 044655/0922 →