Assignment of Assignor's Interest

Recorded: 2011-04-15 Pages: 9

Assignors

KNOBLOCH, BENTON T., JR

Executed: 2010-10-04

ROY, TODD J.

Executed: 2010-10-04

TILLEY, DAVID J.

Executed: 2010-10-04

Assignee

WELLBORE ENERGY SOLUTIONS LLC

6127 HIGHWAY 90 EAST, BROUSSARD, LOUISIANA, 70518

Covered Property (1)

Downhole Filter Tool

Application: 12/669,128 →

Publication: US 2010/0206551

Related Assignments (1)

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