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US Patent: 624,490
Device for Holding Circular Cutters
Patentee: Ernst Gustav Hoffmann (exact or similar names) - London, Middlesex County, England USPTO Classifications: 407/108, 407/64, 407/86, 470/80 Tool Categories: metalworking machines : metal lathes : lathe tool holders and tool posts Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 05, 1898 Granted: May 09, 1899 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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