Patent Assignment
Reel/Frame 022520/0382
Release of Security Interest
Recorded: 2009-04-08
Received: 2009-04-08
Pages: 5
Assignor
Assignee
GRINDING AND SIZING COMPANY, INC.
P.O. BOX 1808, LUFKIN, TN, 75902, UNITED STATES
Covered Properties
(3)
Delivery system for drilling fluid dispersible additive tablet and associated methods
Application:
10/261,016 →
Method for creating dense drilling fluid additive and composition therefor
Application:
10/095,886 →
Method for Creating Dense Drilling Fluid Additive and Composition Therefor
Application:
09/805,316 →