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Barrier gate
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Patent number 8,149,138
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Issue date Apr 3, 2012
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Safe-Crossings, LLC
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Thomas J. Burke
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Retractable gate
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Patent number 7,384,017
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Issue date Jun 10, 2008
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Safe-Crossings, LLC
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Thomas J. Burke
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B61 - RAILWAYS