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US Patent: 3,113,563
Grinding Wheel Crush Dressing Apparatus
Patentee: Daniel C. Hughes (exact or similar names) - Nutley, Essex County, NJ USPTO Classifications: 125/11.03 Tool Categories: metalworking machines : grinders : grinder dressers Assignees: Royal Master Grinders, Inc. - Oakland, Bergen County, NJ Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 24, 1961 Granted: Dec. 10, 1963 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Royal Master Grinders, Inc.

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