Memorandum of Understanding Showing 50% Ownership Interest in Patent

Recorded: 2007-03-26 Received: 2007-03-26 Pages: 2

Assignor

LOPEZ, PERRY A.

Executed: 2002-10-09

Assignee

CENTRIFUGAL SERVICES, INC.

5595 HIGHWAY 34 NORTH, RALEIGH, IL, 62977, UNITED STATES

Covered Properties (3)

Double Check Valve Assembly

Application: 10/692,465 →

Stable Aluminum / Zirconium Antiperspirant Solution Free of Amino Acid and Polyhydric Alcohol

Application: 10/625,038 →

Method and Apparatus for Heating Drilling and/or Completion Fluids Entering or Leaving a Well Bore During Oil and Gas Exploration and Production

Application: 10/267,461 →