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Lorillard Co P |
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1970-01-15 |
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H 2 0 Filter Corp The |
Extender means for attachment of an auxiliary cigarette filter
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1970-10-12 |
1973-10-30 |
Ici Ltd |
Fibrous sheet materials and filter elements formed therefrom
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1971-03-12 |
1974-02-13 |
British American Tobacco Co |
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1971-06-22 |
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Liggett & Myers Inc |
High flavor impact, low smoke yield cigarette mouthpiece
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1973-08-27 |
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Liggett & Myers Inc |
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Cigarette mouthpiece for controlling flow
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1976-03-17 |
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British American Tobacco Co |
Tobacco-smoke filters
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1976-12-15 |
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Cigarette Components Ltd |
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1977-11-18 |
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Philip Morris Inc |
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1979-04-11 |
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Brown & Williamson Tobacco Corporation |
Cigarette filter
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1980-05-01 |
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1980-11-21 |
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Brown & Williamson Tobacco Corp |
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1980-11-28 |
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Cigarette filter
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1980-12-05 |
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Cigarette filter
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1980-12-22 |
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1980-12-22 |
1982-08-03 |
Brown & Williamson Tobacco Corporation |
Cigarette filter
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1980-12-23 |
1982-07-22 |
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Filter fuer cigaretten
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1981-01-15 |
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1981-02-14 |
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1981-03-12 |
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Cigarette filter
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1981-08-03 |
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Filter cigarette
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1986-08-20 |
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Tobacco smoke filter
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Filtered cigarette
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