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Patent number:
Patent Date:
US Patent: 1,419,448
Boring Head
Patentee:
Cecil E. Davis (
exact
or
similar
names) - Montezuma, Gray County, KS
USPTO Classifications:
408/163
,
408/171
Tool Categories:
metalworking machines
:
drilling and boring
:
boring heads
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Jan. 17, 1921
Granted:
Jun. 13, 1922
Patent Pictures:
USPTO
(New site tip)
Google Patents
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