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All Patents in class 431/163
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	178,477	Jun. 06, 1876	A. Smith	Improvement in hydrocarbon-furnaces
	617,785	Jan. 17, 1899	W.L. Teter	Apparatus for Generating and Utilizing Gaseous Fuel

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