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US Patent: 521,646
Grinding-machine
Patentee: Rufus Dutton (exact or similar names) - Yonkers, NY USPTO Classifications: 451/241 Tool Categories: metalworking machines : grinders : sharpening machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Andrew J. Tracy W. S. Holbrook	Patent Dates: Applied: Sep. 22, 1888 Granted: Jun. 19, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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