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US Patent: 113,776
Treadle
Patentee: George Byron Kirkham (exact or similar names) - New York, NY USPTO Classifications: 74/141, 74/577R, 82/165 Tool Categories: propulsion and energy : human powered apparatus Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Apr. 18, 1871 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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