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Patent number:
Patent Date:
US Patent: 1,702,810
Tapping Chuck
Patentee:
Joseph F. Buhr (
exact
or
similar
names) - Detroit, Wayne County, MI
USPTO Classifications:
279/16
,
279/48
,
279/69
,
279/97
,
470/198
Tool Categories:
metalworking machines
:
drilling and boring
:
drill presses
:
drill press chucks
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Dec. 29, 1923
Granted:
Feb. 19, 1929
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Buhr Machine Tool Co.
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