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All Patents in class 91/212
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	3,426	Feb. 07, 1844	E.A. Lester	Oscillating Steam Engine
	106,860	Aug. 30, 1870	A. Nittinger, Jr.	Oscillating Steam-Engine
	755,733	Mar. 29, 1904	T. Barrow	Motor

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