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US Patent: 223,484
Bit-brace
Patentee:
Alfred H. Crockford (exact or similar names) - Newark, NJ

USPTO Classifications:
81/31

Tool Categories:
woodworking tools : braces

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. Sedgwick
I. I. Storer

Patent Dates:
Applied: Nov. 22, 1879
Granted: Jan. 13, 1880

Patent Pictures:
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