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US Patent: 1,488,736
Clutch Mechanism
Patentee: Conrad M. Conradson (exact or similar names) - Madison, Dane County, WI USPTO Classifications: 192/21, 192/48.611, 192/85.21 Tool Categories: metalworking machines : metalworking machine mechanisms propulsion and energy : clutches Assignees: Joseph T. Ryerson & Son - Chicago, Cook County, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 24, 1919 Granted: Apr. 01, 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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