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All Patents in class 222/275
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	700,644	May 20, 1902	J. Hartness	Fluid Regulating Device
	700,645	May 20, 1902	J. Hartness	Fluid Regulating Device
	703,410	Jul. 01, 1902	J. Hartness	Fluid Regulating Device
	1,504,543	Aug. 12, 1924	E.R. Draver	Feeding agitator
	1,841,526	Jan. 19, 1932	R.E. Flanders	Metering Device

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