Patent Assignment
Reel/Frame 027880/0591
Assignment of Assignor's Interest
Recorded: 2012-03-16
Pages: 11
Assignors
BOUR, DANIEL L.
Executed: 2012-01-31
WATTERS, LARRY
Executed: 2012-03-02
PETTY, SUSAN
Executed: 2012-02-28
APBLETT, ALLEN
Executed: 2012-03-07
Assignee
ALTAROCK ENERGY, INC.
7900 E. GREEN LAKE DRIVE N., SUITE 302, SEATTLE, WASHINGTON, 98103
Covered Property
(1)
High Temperature Temporary Diverter and Lost Circulation Material
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.