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US Patent: 106,754
Improvement in bit-stocks
Patentee:
Charles P. Whitman (exact or similar names) - Charlemont, MA

USPTO Classifications:
279/78

Tool Categories:
woodworking tools : braces : brace chucks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. M. Puffer
F. E. Nims

Patent Dates:
Granted: Aug. 23, 1870

Patent Pictures:
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