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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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