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US Patent: 228,432
Treadle Power Machine
Patentee: George W. Zeigler (exact or similar names) - Clinton, Lenawee County, MI USPTO Classifications: 74/30 Tool Categories: propulsion and energy : human powered apparatus Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 11, 1880 Granted: Jun. 01, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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