All Patents in class 606/180


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All Patents in class 606/180
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	568,932	Oct. 06, 1896	S.W. Wilcox	Bit-centering device
	1,377,288	May 10, 1921	A.L. Soresi	Rotary cutting and drilling instrument
	1,833,828	Nov. 24, 1931	J.N. Deibert, Jr.	Dehorning Saw
	2,071,954	Feb. 23, 1937	L. Scruggs	Chuck or Tool Holder