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All Patents in class 74/424.87
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	3,161,073	Dec. 15, 1964	D.M. Price, H.W. Deutsch	Ball Screw Mechanism
	3,301,082	Jan. 31, 1967	J.W. Kosinski	Ball Screw Mechanism

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