All Patents in class 420/550


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All Patents in class 420/550
Patents 1 - 1 of 1
Picture	Number	Date	Patentee	Title
	3,389,117	Jun. 18, 1968	D.I. Dally, V.G. Soukup, S.E. Kozdemba	Dressable Heat Conductive Backing for Abrasive Wheels