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Post-tension running track
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Patent number 10,378,157
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Issue date Aug 13, 2019
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CLASSIC TURF COMPANY LLC
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John Eren
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Post-tension running track
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Patent number 9,957,673
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Issue date May 1, 2018
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CLASSIC TURF COMPANY LLC
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John Eren
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3286603
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Patent number 3,286,603
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Issue date Nov 22, 1966
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3156149
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Patent number 3,156,149
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Issue date Nov 10, 1964
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3089215
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Patent number 3,089,215
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Issue date May 14, 1963
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3066581
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Patent number 3,066,581
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Issue date Dec 4, 1962
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES