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US Patent: 286,388
Ratchet bit-brace
Patentee:
William R. Clarkson (exact or similar names) - Buffalo, NY

USPTO Classifications:
279/56, 81/32

Tool Categories:
woodworking tools : braces : ratchet braces

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John C. Duerr
Michael J. Stark
Patent Dates:
Granted: Oct. 09, 1883

Patent Pictures:
USPTO (New site tip)
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