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Switch point roller assembly
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Patent number 12,359,377
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Issue date Jul 15, 2025
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voestalpine Railway Systems Nortrak LLC
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Thomas Bostany
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1370410
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Patent number 1,370,410
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Issue date Mar 1, 1921
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES