All Patents in class 409/276


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All Patents in class 409/276
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	141,091	Jul. 22, 1873	A.P. Stephens	Improvement in broaching-machines
	482,211	Sep. 06, 1892	W.W. Tucker	Machine for Milling Plug Valves
	2,264,538	Dec. 02, 1941	F.J. Lapointe	Broaching machine