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All Patents in class 418/212
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	23,852	May 03, 1859	C. Miller	Rotary Steam Engine
	260,978	Jul. 11, 1882	R. Hodson	Rotary Engine
	459,861	Sep. 22, 1891	P.B. Taylor	Rotary Engine

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