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US Patent: 181,715
Mounting for Emery Grinders
Patentee: Charles A. Perkins (exact or similar names) - Fisherville, Merrimack County, NH USPTO Classifications: 384/428, 451/360 Tool Categories: metalworking machines : grinding machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 31, 1876 Granted: Aug. 29, 1876 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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