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Switch point guard rail
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Patent number 5,169,064
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Issue date Dec 8, 1992
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Bethlehem Steel Corporation
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Paul P. Rice
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Switch point guard rail
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Patent number 5,115,970
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Issue date May 26, 1992
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Bethlehem Steel Corporation
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Paul P. Rice
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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