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Patent number:
Patent Date:
US Patent: 1,502,528
Extensible Tool Holder
Patentee:
Louis Reulbach (
exact
or
similar
names) - Cleveland, Cuyahoga County, OH
USPTO Classifications:
248/188.5
,
279/103
,
279/97
,
403/DIG.8
,
408/238
,
425/DIG.107
,
81/177.2
Tool Categories:
metalworking machines
:
drilling and boring
:
drilling and boring tool holders
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Oct. 15, 1921
Granted:
Jul. 22, 1924
Patent Pictures:
USPTO
(New site tip)
Google Patents
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