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US Patent: 207,964
Ratchet bit-stock
Patentee:
Hobert C. Hart (exact or similar names) - Unionville, CT

USPTO Classifications:
192/43.2, 192/44, 74/578, 81/31

Tool Categories:
woodworking tools : braces : brace chucks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Sep. 10, 1878

Patent Pictures:
USPTO (New site tip)
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