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US Patent: 10,499
Bit or drill stock
Patentee:
Dexter H. Chamberlain (exact or similar names) - Boston, MA

USPTO Classifications:
81/36

Tool Categories:
woodworking tools : braces : brace chucks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
R. H. Early
F. P. Hale, Jr.

Patent Dates:
Granted: Feb. 07, 1854

Patent Pictures:
USPTO (New site tip)
Google Patents
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