All Patents in class 477/18


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All Patents in class 477/18
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	2,800,032	Jul. 23, 1957	B.R. Granberg	Drive mechanism
	2,884,801	May 05, 1959	R.M. Woytych	Automatic Positioning Device