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Uniform tar delivery profile filter
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Patent number 5,509,429
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Issue date Apr 23, 1996
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Kothmans, Benson & Hedges Inc.
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Cigarette smoke filter
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Patent number 5,190,061
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Issue date Mar 2, 1993
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Rothmans, Benson & Hedges Inc.
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Cigarette making machine hopper
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Patent number 4,967,770
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Issue date Nov 6, 1990
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Rothmans, Benson & Hedges Inc.
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Cigarette making machine hopper
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Patent number 4,953,570
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Issue date Sep 4, 1990
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Rothmans, Benson & Hedges Inc.
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Tobacco blend formation
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Patent number 4,896,681
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Issue date Jan 30, 1990
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Rothmans, Benson & Hedges Inc.
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Cigarette making machine hopper
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Patent number 4,867,180
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Issue date Sep 19, 1989
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Rothmans, Benson & Hedges Inc.
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Linear layered cigarette
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Patent number 4,793,367
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Issue date Dec 27, 1988
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Rothmans of Pall Mall Canada Limited
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Sculptured cigarette
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Patent number 4,787,401
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Issue date Nov 29, 1988
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Rothmans of Pall Mall Limited
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Hopperless cigarette making machines
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Patent number 4,754,765
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Issue date Jul 5, 1988
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Rothmans of Pall Mall Limited
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Composite cigarettes
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Patent number 4,716,913
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Issue date Jan 5, 1988
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Rothmans of Pall Mall Limited
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Formation of tobacco material blend
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Patent number 4,567,903
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Issue date Feb 4, 1986
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Rothmans of Pall Mall Canada Limited
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Tobacco leaf processing
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Patent number 4,566,470
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Issue date Jan 28, 1986
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Rothmans of Pall Mall Canada Limited
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Tobacco lamina and stem processing
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Patent number 4,557,278
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Issue date Dec 10, 1985
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Rothmans of Pall Mall Canada Limited
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Tobacco drying procedure
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Patent number 4,512,353
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Issue date Apr 23, 1985
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Rothmans of Pall Mall Canada Limited
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Cigarette maker feeder
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Patent number 4,459,999
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Issue date Jul 17, 1984
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Rothmans of Pall Mall Canada Limited
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Tobacco metering and feeding system
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Patent number 4,458,698
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Issue date Jul 10, 1984
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Rothmans of Pall Mall Canada Limited
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Feeding tobacco cutting machines
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Patent number 4,456,018
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Issue date Jun 26, 1984
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Rothmans of Pall Mall Canada Limited
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Tobacco stem shredding
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Patent number 4,386,617
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Issue date Jun 7, 1983
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Rothmans of Pall Mall Canada Limited
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Cutting leaf tobacco
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Patent number 4,233,996
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Issue date Nov 18, 1980
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Rothmans of Pall Mall Canada Limited
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Tobacco feeding system
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Patent number 4,135,615
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Issue date Jan 23, 1979
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Rothmans of Pall Mall Canada Limited
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Warren A. Brackmann
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES