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US Patent: 410,581
Tool for Dressing Abrasive Surfaces
Patentee: George G. Crowell (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 125/37 Tool Categories: metalworking machines : grinders : grinder dressers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 27, 1889 Granted: Sep. 10, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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