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Jonathan Barnhart
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Riverdale, NJ, US
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last 30 patents
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Patent Grant
Railroad direct fixation tie covering system
Patent number
8,603,376
Issue date
Dec 10, 2013
Thomas Sands
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Patent Grant
Railroad track and tie cover
Patent number
D652350
Issue date
Jan 17, 2012
Thomas Sands
D12 - Transportation