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All Patents in class 91/10
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	433,164	Jul. 29, 1890	F.W. Dean	Compound Engine
	477,234	Jun. 21, 1892	G.S. Strong	Steam-engine
	853,359	May 14, 1907	C.L. Heisler	Pumping Engine

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