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Tamper resistant closure
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Patent number 6,854,245
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Issue date Feb 15, 2005
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Burford Corp.
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Luther Stoddard
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Perforated flap with dual seals
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Patent number 6,807,795
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Issue date Oct 26, 2004
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Burford Corp.
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Luther B. Stoddard
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Vertical bagger
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Patent number 6,263,645
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Issue date Jul 24, 2001
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Burford Corp.
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Charles E. Burford
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Vertical bagger
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Patent number 5,966,900
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Issue date Oct 19, 1999
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Burford Corp.
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Charles E. Burford
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL