IP Library › Granted Patent US 5,880,164
Granted Patent Utility
US 5,880,164 · App. 08/724,906

Nicotine-free smoking material

Inventor: Robert M. Keenan
Patented Case View Patent ↗
Granted: Mar 9, 1999 Filed: Oct 3, 1996
Inventor
Robert M. Keenan
Assignee (at issue)
LecTec Corporation

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Quick Facts
Patent No.
US 5,880,164
App. No.
08/724,906
Filed
1996-10-03
Granted
1999-03-09
Kind
A