IP Library Assignment 013988/0078
Patent Assignment
Reel/Frame 013988/0078

Assignment of Assignor's Interest

Recorded: 2003-04-21 Pages: 2
Assignors
SMITH, KEVIN W.
Executed: 2003-03-28
SCHWARTZ, KEVIN M.
Executed: 2003-03-28
Assignee
CLEARWATER INTERNATIONAL, LLC
515 POST OAK, HOUSTON, TEXAS, 77027
Covered Property (1)
Gel Plugs and Pigs for Pipeline Use
Patent: 7,183,239 →
Application: 10/316,256 →
Publication: US 2003/0158269
Related Assignments (1)
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 →