IP Library › Assignment 012888/0200
Patent Assignment
Reel/Frame 012888/0200

Assignment of Assignor's Interest

Recorded: 2002-05-08 Pages: 2
Assignor
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: 7,060,198 →
Application: 10/141,390 →
Publication: US 2003/0209689
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 8, 2002
From: GATLIN, LARRY W.
To: CLEARWATER, INC.
Reel/Frame 012886/0366 →
Assignment of Assignor's Interest May 8, 2002
From: SMITH, KEVIN W.
To: CLEARWATER, INC.
Reel/Frame 012886/0371 →
Assignment of Assignor's Interest Nov 6, 2002
From: CLEARWATER, INC.
To: CLEARWATER INTERNATIONAL, L.L.C
Reel/Frame 013463/0772 →
Assignment of Assignor's Interest Oct 9, 2015
From: CLEARWATER INTERNATIONAL, L.L.C.
To: LUBRIZOL OILFIELD SOLUTIONS, INC.
Reel/Frame 036822/0379 →