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Bearing pad
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Patent number 10,519,611
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Issue date Dec 31, 2019
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ASTRA CAPITAL INCORPORATED
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Kenneth Szekely
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Bearing pad
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Patent number 10,266,993
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Issue date Apr 23, 2019
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ASTRA CAPITAL INCORPORATED
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Kenneth Szekely
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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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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3791092
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Patent number 3,791,092
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Issue date Feb 12, 1974
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3712187
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Patent number 3,712,187
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Issue date Jan 23, 1973
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3403607
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Patent number 3,403,607
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Issue date Oct 1, 1968
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3372518
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Patent number 3,372,518
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Issue date Mar 12, 1968
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3372096
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Patent number 3,372,096
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Issue date Mar 5, 1968
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3228309
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Patent number 3,228,309
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Issue date Jan 11, 1966
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES