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US Patent: 2,689,498
Rotary Tool Turning
Patentee: Charles H. Johnson (exact or similar names) - Madison, Dane County, WI USPTO Classifications: 407/7, 409/240, 82/18 Tool Categories: metalworking machines : metal lathes : lathe tool holders and tool posts Assignees: Gisholt Machine Co. - Madison, Dane County, WI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 06, 1950 Granted: Sep. 21, 1954 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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