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Patent number:
Patent Date:
US Patent: 174,238
Driving Pulley
Patentee:
David Heer (
exact
or
similar
names) - Philadelphia, PA
USPTO Classifications:
474/191
Tool Categories:
industrial machines
:
industrial machine mechanisms
:
industrial machine pulleys and belt drive mechanisms
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Feb. 14, 1876
Granted:
Feb. 29, 1876
Patent Pictures:
USPTO
(New site tip)
Google Patents
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