Patent Assignment
Reel/Frame 016628/0771
Assignment of Assignor's Interest
Recorded: 2005-10-10
Pages: 3
Assignor
TIBBITTS, GORDON ALLEN
Executed: 2005-09-19
Assignee
PARTICLE DRILLING TECHNOLOGIES, INC.
1021 MAIN STREET, SUITE 2650, HOUSTON, TEXAS, 77002
Covered Property
(1)
Impact Excavation System and Method with Particle Separation
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.