IP Library › Assignment 022502/0871
Patent Assignment
Reel/Frame 022502/0871

Assignment of Assignor's Interest

Recorded: 2009-04-03 Pages: 5
Assignors
SMITH, KEVIN W.
Executed: 2002-05-02
GATLIN, LARRY W.
Executed: 2002-05-03
HALLMAN, JOHN H.
Executed: 2002-05-03
Assignee
CLEARWATER, INC.
5605 GRAND AVENUE, PITTSBURGH, PENNSYLVANIA, 15225
Covered Property (1)
Heat Exchange Fluids Comprising Amine Carboxylates
Patent: 7,713,435 →
Application: 12/273,327 →
Publication: US 2009/0184286
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 3, 2009
From: CLEARWATER, INC.
To: CLEARWATER INTERNATIONAL, L.L.C.
Reel/Frame 022502/0931 →
Assignment of Assignor's Interest Oct 9, 2015
From: CLEARWATER INTERNATIONAL, L.L.C.
To: LUBRIZOL OILFIELD SOLUTIONS, INC.
Reel/Frame 036822/0379 →