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Highway pavement
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Patent number 4,653,956
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Issue date Mar 31, 1987
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Frederic A. Lang
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3194129
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Patent number 3,194,129
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Issue date Jul 13, 1965
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2655845
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Patent number 2,655,845
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Issue date Oct 20, 1953
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2655846
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Patent number 2,655,846
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Issue date Oct 20, 1953
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES