Patent Assignment
Reel/Frame 017547/0072
Assignment of Assignor's Interest
Recorded: 2006-04-28
Pages: 3
Assignor
HORTON, DAVID P.
Executed: 2003-11-05
Assignee
BRINE-ADD FLUIDS LTD.
4333-46TH AVENUE SE, CALGARY, T2B 3N5, CANADA
Covered Property
(1)
Drilling Fluids, Drilling Fluids Additives and Methods Useful for Limiting Tar Sands Accretion on Metal Surfaces
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.