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US Patent: 70,112
Drill Chuck
Patentee:
Benjamin W. Peirce (exact or similar names) - New Bedford, Bristol County, MA

USPTO Classifications:
279/14

Tool Categories:
metalworking machines : metal lathes : metal lathe chucks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Oct. 22, 1867

Patent Pictures:
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