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US Patent: 680,205
Friction-clutch for traction-engines
Patentee: Minard Lafever (exact or similar names) - Battle Creek, MI USPTO Classifications: 192/76 Tool Categories: propulsion and energy : steam apparatus : steam traction engines : traction engine clutches Assignees: None Manufacturer: Advance Thresher Co. - Battle Creek, MI Witnesses: B. T. Skinner C. E. Thomas	Patent Dates: Applied: Jun. 08, 1901 Granted: Aug. 06, 1901 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Advance Thresher Co.

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