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

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