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Integrated ballast mat
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Patent number 10,612,198
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Issue date Apr 7, 2020
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Versaflex, Inc.
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Joseph Haydu
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Integrated ballast mat
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Patent number 10,132,049
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Issue date Nov 20, 2018
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Versaflex, Inc.
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Joseph Haydu
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Vibration damping system
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Patent number 7,337,981
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Issue date Mar 4, 2008
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Rockwool International A/S
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John Christian Asmussen
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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-
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Sheet useful as a reservoir liner
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Patent number 4,388,357
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Issue date Jun 14, 1983
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True Temper Corporation
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Robert W. Luebke
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Containment reservoir and method
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Patent number 4,296,884
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Issue date Oct 27, 1981
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True Temper Corporation
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Robert W. Luebke
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3878987
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Patent number 3,878,987
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Issue date Apr 22, 1975
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2631783
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Patent number 2,631,783
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Issue date Mar 17, 1953
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2420833
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Patent number 2,420,833
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Issue date May 20, 1947
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1791840
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Patent number 1,791,840
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Issue date Feb 10, 1931
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1713420
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Patent number 1,713,420
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Issue date May 14, 1929
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES