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US Patent: 434,447
Mechanical Motor
Patentee:
William R. Hunter (exact or similar names) - Afton, Union County, IA

USPTO Classifications:
74/136

Tool Categories:
propulsion and energy : human powered apparatus

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 02, 1890
Granted: Aug. 19, 1890

Patent Pictures:
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