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US Patent: 390,583
Shaft and Pulley Coupling
Patentee: Frederick E. Frey (exact or similar names) - Bucyrus, Crawford County, OH USPTO Classifications: 256/42, 403/351, 403/367, 403/377 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 11, 1888 Granted: Oct. 02, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Frey, Sheckler & Hoover

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