Patents for Automatic Drill Chuck Corp.


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Patents for Automatic Drill Chuck Corp.
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,030,988	Jul. 02, 1912	G.W. Emrick	Drill-chuck
	CA-141,809	Jul. 23, 1912	G.W. Emrick	Drill chuck
	1,104,255	Jul. 21, 1914	G.W. Emrick	Drill-chuck