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US Patent: 993,421
Friction Tool Holder
Patentee: Benjamin F. Vickery (exact or similar names) - Girard, Russell County, AL USPTO Classifications: 279/102, 279/158 Tool Categories: metalworking tools : boring bars metalworking machines : metal lathes : lathe tool holders and tool posts Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 08, 1909 Granted: May 30, 1911 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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