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Ballast side plow
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Patent number 4,266,352
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Issue date May 12, 1981
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Canron Corporation
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George R. Newman
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Device for plowing ballast
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Patent number 4,266,353
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Issue date May 12, 1981
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Canron Corporation
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George R. Newman
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Spike driver
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Patent number 4,131,067
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Issue date Dec 26, 1978
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Canron Railgroup
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George R. Newman
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES