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Conveyor wheel axle and yoke support
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Patent number 6,851,539
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Issue date Feb 8, 2005
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Northstar Industries, Inc.
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Bobby K. Flippo
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Multiple-wheel axle support
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Patent number 6,588,568
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Issue date Jul 8, 2003
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Northstar Industries, Inc.
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Bobby K. Flippo
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Controllably powered roller conveyors
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Patent number 5,456,347
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Issue date Oct 10, 1995
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Northstar Industries, Inc.
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John W. Best
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Expandable powered conveyors
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Patent number 5,224,584
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Issue date Jul 6, 1993
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Northstar Industries, Inc.
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John W. Best
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Expandable powered roller conveyor
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Patent number 5,147,025
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Issue date Sep 15, 1992
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Northstar Industries, Inc.
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Bobby K. Flippo
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL