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Closure assembly having a tear template
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Patent number 4,163,506
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Issue date Aug 7, 1979
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Minnesota Mining and Manufacturing Company
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Richard A. Patterson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Easy open container end assembly
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Patent number 4,108,330
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Issue date Aug 22, 1978
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Minnesota Mining and Manufacturing Company
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Richard A. Patterson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Seal for can or like container
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Patent number 3,966,079
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Issue date Jun 29, 1976
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Nihon Seikan Kabushiki Kaisha
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Kiyoshi Kawamata
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Seal for can or like container
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Patent number 3,966,081
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Issue date Jun 29, 1976
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Nihon Seikan Kabushiki Kaisha
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Kiyoshi Kawamata
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3690509
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Patent number 3,690,509
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Issue date Sep 12, 1972
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3338462
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Patent number 3,338,462
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Issue date Aug 29, 1967
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3302824
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Patent number 3,302,824
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Issue date Feb 7, 1967
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3187932
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Patent number 3,187,932
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Issue date Jun 8, 1965
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...