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Patents Granted on 1852-07-27
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
9,156Jul. 27, 1852W.C. ShawMortising-machinemortising machines
9,159Jul. 27, 1852B.C. LeavittImprovement in Compounds for Uniting Steel and Irontool making machines
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