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Patent number:
Patent Date:
US Patent: 175,969
Improvement in hand-drills for drilling metal
Patentee:
Daniel Goodnow, Jr. (
exact
or
similar
names) - Boston, MA
USPTO Classifications:
74/840
,
74/841
Tool Categories:
woodworking tools
:
hand drills
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
F. Curtis
W. E. Boardman
Patent Dates:
Applied:
Mar. 04, 1876
Granted:
Apr. 11, 1876
Patent Pictures:
USPTO
(New site tip)
Google Patents
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