Assignment of Assignor's Interest

Recorded: 2009-11-03 Pages: 2

Assignors

LESHCHYSHYN, TIMOTHY TYLER

Executed: 2009-10-23

BEATON, PETER W

Executed: 2009-10-23

COOLEN, THOMAS MICHAEL

Executed: 2009-09-23

Assignee

CENTURY OILFIELD SERVICES, INC.

404 - 6TH AVE. SW, CALGARY, T2P 0R9, CANADA

Covered Property (1)

Non-toxic, green fracturing fluid compositions, methods of preparation and methods of use

Application: 12/458,763 →

Publication: US 2010/0044048

Related Assignments (1)

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