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Box lifting devices
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Patent number 7,828,352
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Issue date Nov 9, 2010
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Primary Ventures, LLC
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Dennis DuBois
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Box lifting device
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Patent number 7,726,712
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Issue date Jun 1, 2010
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Primary Ventures, LLC
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Dennis DuBois
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Box lifting device
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Patent number 7,237,813
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Issue date Jul 3, 2007
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Dennis DuBois
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL