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Patent number:
Patent Date:
US Patent: 407,339
Drilling Machine
Patentees:
Ulrich Eberhardt (
exact
or
similar
names) - Newark, Essex County, NJ
Henry E. Eberhardt (
exact
or
similar
names) - Newark, Essex County, NJ
USPTO Classifications:
74/333
,
74/343
Tool Categories:
metalworking machines
:
drilling and boring
:
drill presses
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Sep. 05, 1888
Granted:
Jul. 23, 1889
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Gould & Eberhardt
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