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US Patent: 911,012
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:
Harry R. Williams
Josephine M. Strempfer

Patent Dates:
Applied: Mar. 16, 1908
Granted: Jan. 26, 1909

Patent Pictures:
USPTO pdf tiff
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