Assignment of Assignor's Interest

Recorded: 2007-05-31 Pages: 3

Assignor

COSBY, DAVID D.

Executed: 2007-05-22

Assignee

HARBISON-FISCHER, L.P.

901 N. CROWLEY ROAD, CROWLEY, TEXAS, 76036

Covered Property (1)

Method and System for Determining Plunger Location in a Plunger Lift System

Patent: 7,819,189 →

Application: 11/755,274 →

Related Assignments (1)

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