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Easy top opening packet
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Patent number 5,819,924
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Issue date Oct 13, 1998
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Albert Sigrist
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Apparatus and method for packaging blanks
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Patent number 5,385,526
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Issue date Jan 31, 1995
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Fabriques de Tabac Reunies, SA
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Albert Sigrist
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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Restraining device for a hopper
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Patent number 5,224,811
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Issue date Jul 6, 1993
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Fabriques de Tabac Reunies, S.A.
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Albert Sigrist
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES