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Patent number:
Patent Date:
US Patent: 466,946
Tapping Device
Patentee:
Daniel J. Hurley (
exact
or
similar
names) - Erie, Erie County, PA
USPTO Classifications:
408/139
,
408/14
,
408/142
,
470/198
,
470/96
Tool Categories:
metalworking tools
:
tap and die holders
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Apr. 28, 1891
Granted:
Jan. 12, 1892
Patent Pictures:
USPTO
(New site tip)
Google Patents
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