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Patents Granted on 1831-03-21
Patents 1 - 3 of 3
First set of recordsLast set of records
6,427XMar. 21, 1831N. MillisManufacturing boots and shoes with nails and pegsnail making machines
6,428XMar. 21, 1831G. ShetterWood augerauger bits
6,429XMar. 21, 1831A.W. SummersFloat and tooth thrashing machinemiller
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