All Patents in class 408/156


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All Patents in class 408/156
Patents 16 - 21 of 21
Number	Date	Patentee	Title	Type
1,615,676	Jan. 25, 1927	C.W. Bettcher	Die Head	tap and die holders
1,724,669	Aug. 13, 1929	F.J. Lapointe	Adjustable finishing end for broaches	broaches
1,745,660	Feb. 04, 1930	W.J. Denning	Expanding Arbor	reamers
1,971,230	Aug. 21, 1934	L. Nikoloff	Thread cutting die	tap wrenches and die stocks
1,988,046	Jan. 15, 1935	L. Nikoloff	Thread cutting die	tap wrenches and die stocks
2,206,941	Jul. 09, 1940	S.A. Cogsdill	Reamer	reamers