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US Patent: 301,339
Bit-brace
Patentee:
William R. Clarkson (exact or similar names) - Buffalo, NY

USPTO Classifications:
81/36, 81/37

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jul. 01, 1884

Patent Pictures:
USPTO (New site tip)
Google Patents
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