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US Patent: 5,398
Edge Tool Grinder Machinery for Grinding Knives which have Warped Sufaces
Patentee: William Hovey (exact or similar names) - Worcester, MA USPTO Classifications: 122/4R, 451/160 Tool Categories: metalworking machines : grinders : tool grinders Assignees: None Manufacturer: Not known to have been produced Witnesses: Charles B. Hartshorn John C. B. Daniels	Patent Dates: Granted: Dec. 18, 1847 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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