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US Patent: 205,400
Bit-stock
Patentee:
Charles M. Knowles (exact or similar names) - New London, CT

USPTO Classifications:
279/42, 81/112

Tool Categories:
woodworking tools : braces : brace chucks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jun. 25, 1878

Patent Pictures:
USPTO (New site tip)
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