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Roll-up surface, system and method
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Patent number 7,364,383
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Issue date Apr 29, 2008
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Ground Floor Systems, LLC
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G. Shane Fletcher
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Roll-up surface, system and method
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Patent number 7,090,430
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Issue date Aug 15, 2006
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Ground Floor Systems, LLC
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G. Shane Fletcher
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES