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US Patent: 489,936
Rod Gripping Device
Patentee: Conrad M. Conradson (exact or similar names) - Madison, Dane County, WI USPTO Classifications: 279/122 Tool Categories: metalworking machines : metalworking machine mechanisms : workpiece changers and storage mechanisms Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 12, 1892 Granted: Jan. 17, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Gisholt Machine Co.

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