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US Patent: 523,897
Drill Grinding Machine
Patentee: John J. Kenyon (exact or similar names) - Suncook, Merrimac County, NH USPTO Classifications: 451/376 Tool Categories: metalworking machines : grinders : drill grinders Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 18, 1894 Granted: Jul. 31, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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