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US Patent: 819,369
Method in Polishing Sheet Metal
Patentee: John Nelson (exact or similar names) - Peru, Lasalle County, IL USPTO Classifications: 451/188, 451/58, 83/36 Tool Categories: metalworking machines : polishing machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 09, 1905 Granted: May 01, 1906 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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