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All Patents in class 123/450
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	600,974	Mar. 22, 1898	J. Holroyd, E. Wiseman	Hydrocarbon Motor
	1,451,407	Apr. 10, 1923	C.E. Sargent	Internal Combustion Engine
	2,232,305	Feb. 18, 1941	H.F. Bakewell	Internal combustion engine

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