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All Patents in class 91/195
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	24,838	Jul. 19, 1859	H.R. Worthington	Pumping Engine
	292,525	Jan. 29, 1884	C.C. Worthington	Duplex pumping-engine
	2,009,487	Jul. 30, 1935	R. Thoreson, W. Ernst	Hydraulic Press

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