Patent US3441029 - DEVICE FOR REMOVING TARS FROM TOBACCO SMOKE AND THERMOSTATICALLY CONTROL ...

Patents

Inventors: Byron T. Wall, Byron T. Wall
Current U.S. Classification: 131/198.2; 131/210

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Citing Patent	Filing date	Issue date	Original Assignee	Title
US4433696	2 Oct 1981	28 Feb 1984	Philip Morris Incorporated	Variable dilution filter
US4852590	7 Jul 1988	1 Aug 1989		Insertable cigarette smoke baffle for holders
USRE32221	2 Oct 1984	12 Aug 1986		Variable dilution filter