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US Patent: 342,727
Ratchet bit-brace
Patentee:
John A. Bolen (exact or similar names) - Springfield, MA

USPTO Classifications:
192/44, 81/33

Tool Categories:
woodworking tools : braces : ratchet braces

Assignees:
Leonard L. Davis - Springfield, MA

Manufacturer:
Davis Tool and Level Co. - Springfield, MA

Witnesses:
Unknown
Patent Dates:
Granted: May 25, 1886

Patent Pictures:
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