Patents for George Upham


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Patents for George Upham
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	7,580X	May 16, 1833	G. Upham, L.H. Emmons	Propelling machinery by balance lever
	138,125	Apr. 22, 1873	J.R. Shangle, F.E. Brown	Corn Shellers
	187,928	Feb. 27, 1877	J. Shepard, W.M. Robinson, W.A. St. John	Pipe-Tongs