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All Patents in class 384/289
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	73,459	Jan. 21, 1868	L.H. Olmsted	Improvement in lubricating bearings for machinery
	370,527	Sep. 27, 1887	J.L. Bogert	Lubricating loose pulleys
	429,507	Jun. 03, 1890	C.M. Conradson	Pulley
	444,812	Jan. 20, 1891	W.W. Carey	Self-lubricating device for pulleys
	496,919	May 09, 1893	H.R. Tillison	Loose pulley

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