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US Patent: 1,030,988
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. - New York, NY Manufacturer: Automatic Drill Chuck Corp. - Detroit, MI Eastern Flexible Conduit Co. - Brooklyn, NY Witnesses: C. E. Mulreany G. A. Mandeville	Patent Dates: Applied: Apr. 11, 1911 Granted: Jul. 02, 1912 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for ETTCO Tool Co., Inc. Vintage Machinery entry for Automatic Drill Chuck Corp.
Description: Patent date seen on an Eastern Flexible Conduit Co. (ETTCO) drill chuck, and on an Automatic Drill Chuck Corp. "Quictite" drill chuck.

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