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Portable liquid storage tank
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Patent number 5,938,065
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Issue date Aug 17, 1999
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Ecological Technologies, Inc.
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Mario De Vivo
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Dual locking assembly for a container
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Patent number 5,683,126
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Issue date Nov 4, 1997
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De Vivo Industries
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Mario De Vivo
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Dumpster locking mechanism
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Patent number 5,201,434
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Issue date Apr 13, 1993
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De Vivo Industries, Inc.
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Mario DeVivo
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL