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US Patent: 68,071
Improved Bow-Drill Stock
Patentee:
D. Frank Hartford - Boston, MA

USPTO Classifications:
408/238, 74/88

Tool Categories:
woodworking tools : hand drills

Assignees:
D. Frank Hartford - Boston, MA
Edmund Tarbell - South Boston, MA

Manufacturer:
Not known to have been produced

Witnesses:
Frank G. Parker
A. Hun Berry

Patent Dates:
Granted: Aug. 27, 1867

Patent Pictures:
USPTO pdf tiff
Google Patents
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