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US Patent: 1,494,340
Overarm for Miliing Machines
Patentee: Conrad M. Conradson (exact or similar names) - Madison, Dane County, WI USPTO Classifications: 409/236 Tool Categories: metalworking machines : milling machines : milling machine accessories Assignees: Joseph T. Ryerson & Son - Chicago, Cook County, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 29, 1921 Granted: May 20, 1924 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Joseph T. Ryerson & Son

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