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Patent number:
Patent Date:
US Patent: 922,429
Tool Holder Securing Device
Patentee:
Gustav H. Hollm (
exact
or
similar
names) - Bridgeport, Fairfield County, CT
USPTO Classifications:
29/35.5
Tool Categories:
metalworking machines
:
metal lathes
:
lathe tool holders and tool posts
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Apr. 15, 1907
Granted:
May 18, 1909
Patent Pictures:
USPTO
(New site tip)
Google Patents
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