Patent Assignment
Reel/Frame 020583/0829
Assignment of Assignor's Interest
Recorded: 2008-02-28
Pages: 2
Assignor
BAILEY, JOHN, MR.
Executed: 2008-02-28
Assignee
HALL, DAVID R., MR.
2185 SOUTH LARSEN PARKWAY, PROVO, UTAH, 84606
Covered Property
(1)
Downhole Valve Mechanism
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.