Tobacco – Tobacco users' appliance – Device used for smoking
Patent
1984-05-18
1986-06-24
Millin, V.
Tobacco
Tobacco users' appliance
Device used for smoking
131195, 131196, 131200, A24D 504
Patent
active
045962588
ABSTRACT:
A smoking device is disclosed which allows the user to regulate the air he inhales to consist of pure tobacco smoke, pure air, pure air carrying volatile substances, or a mixture of tobacco smoke and air carrying volatile substances. This is accomplished by a smoking device having three air passages and means to selectively open and close these passages.
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