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All Patents in class 492/1
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
101,068Mar. 22, 1870F.A. Whitney, P.A. Whitney, A.W. WhitneyTinners Rollstinsmith
1,585,696May 25, 1926H.C. SmithRollsheet metal bending machines
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