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Conveyor belt idler assembly
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Patent number 9,139,367
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Issue date Sep 22, 2015
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Martin Engineering Company
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Robert Todd Swinderman
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Stringer of a belt conveyor system
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Patent number D617521
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Issue date Jun 8, 2010
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Martin Engineering Company
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Robert Todd Swinderman
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D34 - Material or article handling equipment
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Modular conveyor belt sealing system
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Patent number 5,048,669
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Issue date Sep 17, 1991
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Martin Engineering Company
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Robert T. Swinderman
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Conveyor belt cleaner
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Patent number 4,953,689
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Issue date Sep 4, 1990
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Martin Engineering Company
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Edwin H. Peterson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Scraper for conveyor belts
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Patent number 4,944,386
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Issue date Jul 31, 1990
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Martin Engineering Company
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Robert T. Swinderman
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Heated conveyor belt cleaner
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Patent number 4,927,003
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Issue date May 22, 1990
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Martin Engineering Company
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Robert T. Swinderman
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Constant angle conveyor belt cleaner
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Patent number 4,917,231
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Issue date Apr 17, 1990
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Martin Engineering Company
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Robert T. Swinderman
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Conveyor belt cleaner
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Patent number 4,643,293
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Issue date Feb 17, 1987
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Martin Engineering Company
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Robert T. Swinderman
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Conveyor belt cleaner
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Patent number 4,598,823
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Issue date Jul 8, 1986
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Martin Engineering Company
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Robert T. Swinderman
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Conveyor housing access port
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Patent number 4,573,567
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Issue date Mar 4, 1986
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Martin Engineering Company
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Robert T. Swinderman
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Conveyor belt cleaner
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Patent number 4,359,150
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Issue date Nov 16, 1982
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Martin Engineering Company
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Michael A. Bowman
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL