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US Patent: 626,444
Variable Speed Gearing
Patentee:
Hinsdale Smith (exact or similar names) - Springfield, Hampden County, MA

USPTO Classifications:
116/151, 475/288, 475/315

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: Jul. 06, 1898
Granted: Jun. 06, 1899

Patent Pictures:
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