All Patents in class 57/138


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All Patents in class 57/138
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	6,082	Feb. 06, 1849	J.A. Roebling	Improvement in Tops for Wire Rope
	2,328,792	Sep. 07, 1943	G.G. Eisenbeis	Winding Tool