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All Patents in class 123/73AV
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	111,087	Jan. 17, 1871	A.K. Rider	Hot Air Engine
	810,495	Jan. 23, 1906	W.G. Miller	Gas Engine
	881,214	Mar. 10, 1908	E.J. Woolf	Explosive Compound Engine

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