IP Library › Granted Patent US 4,582,072
Granted Patent Utility
US 4,582,072 · App. 06/624,433

Cigarette filter

Inventor: Robert A. Sanford
Patented Case View Patent ↗
Granted: Apr 15, 1986 Filed: Jun 25, 1984
Inventor
Robert A. Sanford
Assignee (at issue)
Brown & Williamson Tobacco Corporation

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Quick Facts
Patent No.
US 4,582,072
App. No.
06/624,433
Filed
1984-06-25
Granted
1986-04-15
Kind
A