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All Patents of Type: railroad car wheels
Patents 1 - 2 of 2
First set of recordsLast set of records
125,649Apr. 09, 1872J.A. WoodburyImprovement in Railway Car Wheelsrailroad car wheels
125,651Apr. 09, 1872J.A. WoodburyTempering the Treads of Car Wheelsrailroad car wheels
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