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Closure having opening means
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Patent number 4,177,930
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Issue date Dec 11, 1979
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Polysar Resins, Inc.
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Victor E. Crisci
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Containers and closures therefor
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Patent number 4,166,548
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Issue date Sep 4, 1979
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Polysar Resins, Inc.
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Victor E. Crisci
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Closures and container assemblies
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Patent number 4,165,020
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Issue date Aug 21, 1979
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Polysar Resins, Inc.
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Harry Hoselton
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Containers and closures
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Patent number 4,079,857
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Issue date Mar 21, 1978
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Polysar Resins, Inc.
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Victor Eugene Crisci
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Containers and closures therefor
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Patent number 4,078,696
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Issue date Mar 14, 1978
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Polysar Resins, Inc.
-
Victor Eugene Crisci
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL