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Patent number:
Patent Date:
US Patent: 7,557
Friction-clutch
Patentee:
Nelson Barlow (
exact
or
similar
names) - St. Louis, MO
USPTO Classifications:
192/32
,
192/94
Tool Categories:
industrial machines
:
industrial machine mechanisms
:
industrial machine clutches
Assignees:
None
Manufacturer:
Nelson Barlow
- Newark, NJ
Witnesses:
John C. Powell
Joseph Powell
Patent Dates:
Granted:
Aug. 13, 1850
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Nelson Barlow
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