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US Patent: 157,034
Machines for Enlarging the Bore of Gun-Barrels
Patentee: William D. Squires (exact or similar names) - Sioux City, Woodbury County, IA USPTO Classifications: 408/16, 408/168, 409/306, 42/78 Tool Categories: metalworking machines : drilling and boring : horizontal boring mills Assignees: William D. Squires - Sioux City, Woodbury County, IA John L. Kerr - Allegheny, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 18, 1874 Granted: Nov. 17, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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