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Hand truck device
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Patent number 10,351,348
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Issue date Jul 16, 2019
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Southworth Products Corporation
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Mark W. Lilley
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B66 - HOISTING LIFTING HAULING
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Container unloading apparatus
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Patent number 6,913,431
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Issue date Jul 5, 2005
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Southworth Products Corporation
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Mark W. Lilley
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Container unloading apparatus
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Patent number 6,558,103
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Issue date May 6, 2003
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Southworth Products Corporation
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Mark W. Lilley
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Dual pivot material handler
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Patent number 5,865,590
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Issue date Feb 2, 1999
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Southworth Products Corp.
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Mark W. Lilley
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Pallet level loader
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Patent number 5,503,247
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Issue date Apr 2, 1996
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Southworth Products Corp.
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Ian C. MacLeod
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL