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Patents for Aaron H. Cragin
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
9,426Nov. 23, 1852F.A. Tenney, J.H. Buck, M. Buck, A.H. CraginPrinting-pressprinter
24,688Jul. 05, 1859L. WorcesterMachine for boring or mortising blind-stilesmortising machines
97,040Nov. 23, 1869M. BuckImprovement in blind-mortising machineswindowblind machines
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