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US Patent: 3,214,951
Apparatus for Rolling Teeth on Tubular Elements
Patentee: Willard B. McCardell (exact or similar names) - Royal Oak, Oakland County, MI USPTO Classifications: 72/88 Tool Categories: metalworking machines : gear making machines Assignees: Michigan Tool Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 11, 1963 Granted: Nov. 02, 1965 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Michigan Tool Co.

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