Patent Assignment
Reel/Frame 013379/0161
Assignment of Assignor's Interest
Recorded: 2002-10-04
Pages: 2
Assignors
FARRELL, LAWRENCE W.
Executed: 2002-09-27
YOST, KEVIN G.
Executed: 2002-09-27
STVARTAK, CHRIS
Executed: 2002-09-27
Assignee
JOHN O. BUTLER COMPANY
4635 WEST FOSTER AVENUE, CHICAGO, ILLINOIS, 60630
Covered Property
(1)
Enhanced Dental Hygiene System with Direct Uva Photoexcitation
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.