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US Patent: 307,252
Bit-holder
Patentee:
Arthur H. Armstrong (exact or similar names) - Plainville, CT

USPTO Classifications:
269/234, 279/35, 279/9.1, 81/112, 81/114

Tool Categories:
woodworking tools : braces : brace chucks

Assignees:
None

Manufacturer:
A. H. Armstrong - Plainville, CT

Witnesses:
Eddy N. Smith
James Shepard
Patent Dates:
Applied: Jul. 02, 1884
Granted: Oct. 28, 1884

Patent Pictures:
Image courtesy and (C) Martin J. Donnelly, www.mjdtools.com
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Description:
This brace gets an "A" rating for rarity from Pearson's book.

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