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US Patent: 286
Mode of applying horse or other animal power to propelling machinery
Patentee: Barnabas Langdon (exact or similar names) - Troy, NY USPTO Classifications: 185/19, 475/197, 83/167 Tool Categories: propulsion and energy : animal powered apparatus Assignees: None Manufacturer: Not known to have been produced Witnesses: Daniel Whiting John C. Langdon	Patent Dates: Granted: Jul. 19, 1837 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Barnabas Langdon
Description: Inventor Langdon received an early patent for a planing machine.

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