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Exodermic deck system
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Patent number 5,664,378
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Issue date Sep 9, 1997
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Robert A. Bettigole
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Exodermic deck system
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Patent number 5,509,243
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Issue date Apr 23, 1996
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Neal H. Bettigole
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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-
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Prefabricated pavement module
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Patent number 4,531,859
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Issue date Jul 30, 1985
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Neal H. Bettigole
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Prefabricated pavement module
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Patent number 4,531,857
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Issue date Jul 30, 1985
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Neal H. Bettigole
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES