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US Patent: 72,632
Improvement in Stringing Bow-Drill Stocks
Patentee:
D. Frank Hartford - Boston, MA

USPTO Classifications:
74/136, 74/88, 74/89.22

Tool Categories:
woodworking tools : hand drills

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Frank G. Parker
A. Hun Berry

Patent Dates:
Granted: Dec. 24, 1867

Patent Pictures:
USPTO pdf tiff
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