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US Patent: 276,463
Speed Changing Mechanism
Patentee:
Benjamin B. Powell (exact or similar names) - Petoskey, Emmet County, MI

USPTO Classifications:
74/353

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine speed and direction changing mechanisms

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Sep. 27, 1882
Granted: Apr. 24, 1883

Patent Pictures:
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