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Patent number:
Patent Date:
US Patent: 129,472
Tap Wrench
Patentee:
John J. Grant (
exact
or
similar
names) - Greenfield, MA
USPTO Classifications:
408/240
Tool Categories:
wrenches
:
tap wrenches and die stocks
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Fredrick Haynes
R. E. Rabeau
Patent Dates:
Granted:
Jul. 16, 1872
Patent Pictures:
USPTO
(New site tip)
Google Patents
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