US Patent: 1,109,121 - Drill-chuck


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US Patent: 1,109,121

Drill-chuck

Patentee:

George W. Emrick (exact or similar names) - Brooklyn, NY

USPTO Classifications:

279/63

Tool Categories:

woodworking tools : hand drills : drill chucks

Assignees:

None

Manufacturer:

Eastern Tube & Tool Co. - Brooklyn, NY

Witnesses:

C. Mulreany

S. Andrews

Patent Dates:
Applied:	Jun. 30, 1913
Granted:	Sep. 01, 1914

Patent Pictures:

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Vintage Machinery entry for ETTCO Tool Co., Inc.

Description:

This is the first of the "Ettco" quick-release drill chucks. Emrick made numerous improvements over the years. The maker, Eastern Tube & Tool Co., was renamed to Ettco Tool Co., Inc.