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US Patent: 190,470
Gear-Cutting Machine
Patentee: George H. Corliss (exact or similar names) - Providence, RI USPTO Classifications: 409/3, 74/460 Tool Categories: metalworking machines : gear making machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 27, 1877 Granted: May 08, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Corliss Steam Engine Works

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