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US Patent: 506,931
Ratchet-drill brace
Patentee:
William P. Nolan (exact or similar names) - San Francisco, CA

USPTO Classifications:
475/270, 81/32, 81/36

Tool Categories:
woodworking tools : braces : ratchet braces

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Oct. 17, 1893

Patent Pictures:
USPTO (New site tip)
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