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US Patent: 390,216
Speed Regulating Device
Patentee: G. Frank Evans (exact or similar names) - Somerville, Middlesex County, MA USPTO Classifications: 192/104R, 476/52 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms industrial machines : industrial machine mechanisms : industrial machine speed and direction changing mechanisms Assignees: None Manufacturer: Evans Friction Cone Co. - Newton Center, Middlesex County, MA Witnesses: H. E. Lodge E. K. Boynton Francis C. Stanwood	Patent Dates: Applied: Apr. 23, 1888 Granted: Oct. 02, 1888 Patent Pictures: [ 1 | 2 | 3 | 4 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Evans Friction Cone Co.

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