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US Patent: 227,460
Steam-Hammers
Patentee: James Watt (exact or similar names) - Watertown, Middlesex County, MA USPTO Classifications: 91/277 Tool Categories: metalworking machines : forging machines : steam hammers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 27, 1880 Granted: May 11, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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