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Manufacturers Index - Automatic Drill Chuck Corp.
Last Modified: May 2 2018 2:10PM by Jeff_Joslin
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Between at least 1912 and 1917 the Automatic Drill Chuck Corp. made the patent "Quictite" brand of quick-release drill press chuck that did not require stopping the drill to change bits. The patent was granted to George W. Emrick of Brooklyn, NY.

From 1917-12-27 American Machinist