Assignment of Assignor's Interest

Recorded: 2011-01-25 Pages: 3

Assignor

HRE LTD

Executed: 2011-01-11

Assignee

CANADIAN ENERGY SERVICES, LP

#900, 715 - 5TH AVENUE, CALGARY, ALBERTA, T2P 3H2, CANADA

Covered Property (1)

Drilling Fluid and Method for Reducing Lost Circulation

Patent: 8,235,119 →

Application: 12/767,401 →

Publication: US 2011/0000673

Related Assignments (2)

Other recorded transfers of the patent in this record — the chain of ownership.