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Removing elastic rail fasteners
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Patent number 4,580,501
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Issue date Apr 8, 1986
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Ralph McKay Limited
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John L. Collins
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Rail fastener applicator
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Patent number 4,494,463
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Issue date Jan 22, 1985
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Ralph McKay Limited
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Hartley F. Young
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Rail fasteners
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Patent number 4,463,898
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Issue date Aug 7, 1984
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Hartley F. Young
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Spring rail fastening system
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Patent number 4,379,521
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Issue date Apr 12, 1983
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Ralph McKay Limited
-
Hartley F. Young
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES