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All Patents in class 254/347
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	802,844	Oct. 24, 1905	C.A. Baechtold, H.N. Covell	Reversible driving device
	967,331	Aug. 16, 1910	H.N. Covell	Winch
	1,559,856	Nov. 03, 1925	M.H. Dickinson	Loading engine

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