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Filter cigarette
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Patent number 5,178,166
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Issue date Jan 12, 1993
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Philip Morris Incorporated
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Reginald W. Newsome
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Smoking article
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Patent number 4,391,285
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Issue date Jul 5, 1983
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Philip Morris, Incorporated
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George H. Burnett
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Method of making smoking articles
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Patent number 4,347,855
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Issue date Sep 7, 1982
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Philip Morris Incorporated
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Harry V. Lanzillotti
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Variable parameter smoking machine
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Patent number 4,019,366
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Issue date Apr 26, 1977
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Philip Morris Incorporated
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Warren E. Claflin
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES