All Patents in class 242/576


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All Patents in class 242/576
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	3,456,893	Jul. 22, 1969	A. Michelson	Expanding mandrel assembly
	3,934,836	Jan. 27, 1976	J.H. Muhlenkamp, C.E. Huelsman, D.L. Dunlap	Mandrel assembly