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US Patent: 260,215
Drop Hammer
Patentee: William Mason (exact or similar names) - Hartford, Hartford County, CT USPTO Classifications: 144/245.1, 72/437 Tool Categories: metalworking machines : forging machines : drop hammers Assignees: Colt's Patent Fire-Arms Manufacturing Co. - Hartford, Hartford County, CT Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 25, 1882 Granted: Jun. 27, 1882 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Colt's Patent Fire Arms Manufacturing Company

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