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Patents Granted on 1842-02-01
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,440Feb. 01, 1842H. AikenImprovement in machines for excavating ditches
2,443Feb. 01, 1842R. CookManufacture of Wrought-Iron and Steel Cannons
2,444Feb. 01, 1842S.E. Burnham, R. CookMode of straining saws for sawmillsreciprocating sawmills
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