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US Patent: 50,329
Centering Chuck
Patentee:
Thomas Brooks (exact or similar names) - Middletown, Middlesex County, CT

USPTO Classifications:
279/64

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Oct. 10, 1865

Patent Pictures:
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