Patent Assignment
Reel/Frame 019467/0176
Assignment of Assignor's Interest
Recorded: 2007-06-21
Pages: 2
Assignor
HEDENGREN, CARLA, MS.
Executed: 2007-06-12
Assignee
HALL, DAVID R., MR.
2185 SOUTH LARSEN PARKWAY, PROVO, UTAH, 84606
Covered Property
(1)
Downhole Pressure Pulse Activated by Jack Element
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.