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US Patent: 421,902
Driving Gear for Traction Engines
Patentee: John N. Britz (exact or similar names) - Aurora, Kane County, IL USPTO Classifications: 180/233, 180/37, 475/233 Tool Categories: propulsion and energy : steam apparatus : steam traction engines : traction engine propulsion components Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 23, 1889 Granted: Feb. 25, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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