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All Patents in class 418/186
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	2,015	Mar. 26, 1841	J. Tuttle	Rotary Steam Engine
	3,039	Apr. 10, 1843	W.S. Rider, A.K. Rider	Rotary steam-engine
	15,281	Jul. 08, 1856	T. Turton, J.M. Colman	Rotary Steam Engine
	23,466	Apr. 05, 1859	D. Hughes	Rotary Steam Engine
	1,861,168	May 31, 1932	W. Warren, J.H. Warren, E.C. Warren	Rotary Engine

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