All Patents in class 384/612


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All Patents in class 384/612
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,268,153	Jun. 04, 1918	A.M. Sosa, A.E. Robinson	Ball Bearing
	2,114,911	Apr. 19, 1938	J. Burt	Antifriction Bearing Center for Boring Mills