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Dispensing closure seals
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Patent number 4,282,991
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Issue date Aug 11, 1981
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Polytop Corporation
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Robert E. Hazard
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Toggle type dispensing closure
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Patent number 4,124,151
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Issue date Nov 7, 1978
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Polytop Corporation
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Robert E. Hazard
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Child resistant dispensing closure
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Patent number 4,081,113
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Issue date Mar 28, 1978
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Polytop Corporation
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Robert E. Hazard
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Child resistant dispensing closure
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Patent number 3,957,181
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Issue date May 18, 1976
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Polytop Corporation
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Robert E. Hazard
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL