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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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Method of producing polymeric material
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Patent number 4,073,850
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Issue date Feb 14, 1978
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Rothmans of Pall Mall Canada Limited
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Warren A. Brackmann
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Filter for tobacco smoke
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Patent number 4,059,121
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Issue date Nov 22, 1977
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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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Winnowing of tobacco
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Patent number 4,031,903
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Issue date Jun 28, 1977
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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 stream manufacture
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Patent number 4,005,717
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Issue date Feb 1, 1977
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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 filler rod production
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Patent number 3,989,052
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Issue date Nov 2, 1976
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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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Method and apparatus for the opening of tow
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Patent number 3,960,645
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Issue date Jun 1, 1976
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Rothmans of Pall Mall Canada Limited
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Warren A. Brackmann
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D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
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Tobacco filler rod production
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Patent number 3,954,112
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Issue date May 4, 1976
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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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Beer can structure
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Patent number 3,930,592
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Issue date Jan 6, 1976
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Carling O'Keefe Limited
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Daniel DiIanni
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL