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Patents for George Upham
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
7,580XMay 16, 1833G. Upham, L.H. EmmonsPropelling machinery by balance lever
138,125Apr. 22, 1873J.R. Shangle, F.E. BrownCorn Shellersmiller
187,928Feb. 27, 1877J. Shepard, W.M. Robinson, W.A. St. JohnPipe-Tongsself-adjust wrenches
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