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Patents for Ralph S. Jennings
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	246,274	Aug. 23, 1881	R.S. Jennings	Method of and Apparatus for Collecting the Aromatic and Volatile Substances From
	308,169	Nov. 18, 1884	R.S. Jennings	Method and Device for Roasting Coffee

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