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US Patent: 462,738
Friction Clutch
Patentee: Edward Rivett (exact or similar names) - Boston, Suffolk County, MA USPTO Classifications: 192/78 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms : friction clutches Assignees: None Manufacturer: Rivett Lathe Mfg. Co. - Boston, Suffolk County, MA Witnesses: Alban Andrén Alice A. Perkins Thomas H. Hobday	Patent Dates: Applied: Feb. 09, 1891 Granted: Nov. 10, 1901 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Rivett Lathe Manufacturing Co.

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