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US Patent: 471,194
Automatic Screw Cutting Machine
Patentee: Conrad Rosine (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 409/74 Tool Categories: metalworking machines : screw machines metalworking machines : metal threading machines : pipe threading machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 23, 1890 Granted: Mar. 22, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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