All Patents in class 426/507


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All Patents in class 426/507
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	250,578	Dec. 06, 1881	G.W. Richmond	Coffee Roaster
	344,597	Jun. 29, 1886	A.L. Saint-Aubin	Process of and Apparatus for Treating Coffee