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Valve for bulk container
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Patent number 4,934,654
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Issue date Jun 19, 1990
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Shippers Paper Products Company
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Kent A. Linnemann
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Bulk container base construction
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Patent number 4,917,289
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Issue date Apr 17, 1990
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Shippers Paper Products Company
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Kent A. Linnemann
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Warp-free paperboard slat
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Patent number 4,898,279
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Issue date Feb 6, 1990
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Shippers Paper Products Company
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Kent A. Linnemann
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Skid top
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Patent number 4,771,885
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Issue date Sep 20, 1988
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Shippers Paper Products Company
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Kent A. Linnemann
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL