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Method of making a railway crossing
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Patent number 6,016,968
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Issue date Jan 25, 2000
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Oldcastle Precast, Inc.
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George Clinton Brookhart
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Roof tile
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Patent number 4,574,536
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Issue date Mar 11, 1986
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Oldcastle, Inc.
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Barry H. Bamber
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E04 - BUILDING