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All Patents in class 384/198
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	82,049	Sep. 08, 1868	D.M. Weston	Improved self-balancing centrifugal machine
	RE8,489	Nov. 12, 1878	D.M. Weston	Improvement in self-balancing centrifugal machines
	603,395	May 03, 1898	S.A. Baker, M.F. Colby	Separating oil from metal cuttings

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