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US Patent: 313,472
Chuck
Patentee:
Benjamin F. Chappel (exact or similar names) - South Windham, Windham County, CT

USPTO Classifications:
279/73

Tool Categories:
metalworking machines : drilling and boring : drill presses : drill press chucks

Assignees:
Benjamin F. Chappel - South Windham, Windham County, CT
Martin Card - South Windham, Windham County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 19, 1884
Granted: Mar. 10, 1885

Patent Pictures:
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