All Patents in class 222/199


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All Patents in class 222/199
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	246,392	Aug. 30, 1881	F.A. Huntington	Ore-feeder for crushing-mills
	392,562	Nov. 06, 1888	F.A. Huntington	Ore-feeder
	1,551,810	Sep. 01, 1925	E.R. Draver	Feeder and oscillating agitator
	2,353,990	Jul. 18, 1944	T.A. Blair	Tamping Device