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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:
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