All Patents in class 221/186


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All Patents in class 221/186
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	333,461	Dec. 29, 1885	E.L. Bowers, W.L. Grout	Machine for Drilling Metal Blanks
	2,078,659	Apr. 27, 1937	J. Gualtiere	Rivet feed