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US Patent: 1,104,255
Drill-chuck
Patentee: George W. Emrick (exact or similar names) - Brooklyn, NY USPTO Classifications: 279/33 Tool Categories: metalworking machines : drilling and boring : drill presses : drill press chucks woodworking machines : wood drilling and boring : drill presses : drill press chucks Assignees: Automatic Drill Chuck Corp. - Detroit, MI Manufacturer: Automatic Drill Chuck Corp. - Detroit, MI Witnesses: C. Mulreany S. Andrews	Patent Dates: Applied: May 24, 1912 Granted: Jul. 21, 1914 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Automatic Drill Chuck Corp.
Description: This patent has improvements to the inventor's earlier patent 1,030,988 intended to make the chuck more durable.

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