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US Patent: 502,446
Friction Clutch
Patentees: Henry E. Nottingham (exact or similar names) - Cincinnati, Hamilton County, OH Andrew Tucker (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 475/298, 74/99R Tool Categories: industrial machines : industrial machine mechanisms : industrial machine clutches Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 01, 1892 Granted: Aug. 01, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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