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Zachary W. Butterworth
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Heflin, AL, US
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last 30 patents
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Patent Grant
Rail car unloading catch pan system
Patent number
9,242,757
Issue date
Jan 26, 2016
Southwire Company, LLC
Ronald R. Martin
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Patent Grant
Rail car unloading catch pan system
Patent number
8,499,962
Issue date
Aug 6, 2013
Southwire Company
Ronald R. Martin
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL