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US Patent: 148,960
Machines for Drilling and Reaming Pistol Barrels
Patentees: Iver Johnson (exact or similar names) - Worcester, Worcester County, MA Martin Bye (exact or similar names) - Worcester, Worcester County, MA USPTO Classifications: 82/129 Tool Categories: metalworking machines : metal lathes : turret lathes Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 07, 1874 Granted: Mar. 24, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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