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US Patent: 457,389
Center Grinder for Lathes
Patentee: John Weber (exact or similar names) - Hamilton, Butler County, OH USPTO Classifications: 451/436 Tool Categories: metalworking machines : metal lathes : metal lathe accessories and attachments Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 23, 1891 Granted: Aug. 11, 1891 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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