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Flavor-enhancing smoking filter
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Patent number 5,115,823
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Issue date May 26, 1992
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Philip Morris Incorporated
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Gus D. Keritsis
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Tobacco processing
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Patent number 5,012,823
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Issue date May 7, 1991
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Philip Morris Incorporated
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Gus D. Keritsis
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Tobacco processing
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Patent number 4,966,170
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Issue date Oct 30, 1990
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Philip Morris Incorporated
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Gus D. Keritsis
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Cohesive tobacco composition
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Patent number 4,674,519
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Issue date Jun 23, 1987
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Philip Morris Incorporated
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Gus D. Keritsis
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Tobacco processing
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Patent number 4,619,276
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Issue date Oct 28, 1986
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Philip Morris Incorporated
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Douglas E. Albertson
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Tobacco treatment
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Patent number 4,589,428
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Issue date May 20, 1986
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Philip Morris Incorporated
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Gus D. Keritsis
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Tobacco curing method
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Patent number 4,362,170
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Issue date Dec 7, 1982
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Philip Morris, Incorporated
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Gus D. Keritsis
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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