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Patent number:
Patent Date:
US Patent: 122,243
Improvement in Boring Bars for Facing the Ends of Cylinders
Patentee:
James Flower (
exact
or
similar
names) - Detroit, Wayne County, MI
USPTO Classifications:
408/169
,
408/94
,
411/437
,
83/563
Tool Categories:
metalworking tools
:
boring bars
metalworking machines
:
drilling and boring
:
facing heads
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Granted:
Dec. 26, 1871
Patent Pictures:
USPTO
(New site tip)
Google Patents
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