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US Patent: 1,123,541
Chuck
Patentee:
Arthur I. Jacobs - Hartford, CT

USPTO Classifications:
279/62

Tool Categories:
woodworking tools : hand drills : drill chucks
woodworking machines : wood drilling and boring : drill presses : drill press chucks
metalworking machines : drilling and boring : drill presses : drill press chucks

Assignees:
Jacobs Manufacturing Co. - Hartford, CT

Manufacturer:
Jacobs Manufacturing Co. - Hartford, CT

Witnesses:
Joseph R. Barlow
Heath Sutherland

Patent Dates:
Applied: Sep. 19, 1912
Granted: Jan. 05, 1915

Patent Pictures:
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