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All Patents in class 55/285
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	711,760	Oct. 21, 1902	E.R. Draver	Dust-collector
	720,791	Feb. 17, 1903	E.R. Draver	Dust-collector
	721,360	Feb. 24, 1903	E.R. Draver	Dust-collector
	RE12,102	Mar. 17, 1903	O.M. Morse	Dust-collector

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