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US Patent: 491,884
Shaft Hanger for Grinding and Polishing Machines
Patentee: Charles Heaton (exact or similar names) - Philadelphia, PA USPTO Classifications: 384/202 Tool Categories: metalworking machines : grinding machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 16, 1890 Granted: Feb. 14, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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