Patent Assignment
Reel/Frame 020183/0673
Assignment of Assignor's Interest
Recorded: 2007-11-30
Pages: 3
Assignor
LUTGRING, KEITH THOMAS
Executed: 2007-11-21
Assignee
FRANK'S CASING CREW AND RENTAL TOOLS, INC.
700 E. VEROT SCHOOL ROAD, LAFAYETTE, LOUISIANA, 70508
Covered Property
(1)
Caisson System
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.