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US Patent: 3,121,352
Tooth Forming Method and Apparatus
Patentee: Willard B. McCardell (exact or similar names) - Royal Oak, Oakland County, MI USPTO Classifications: 29/893.3, 72/374, 72/403, 72/406 Tool Categories: metalworking machines : gear cutting tools Assignees: Michigan Tool Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 18, 1961 Granted: Feb. 18, 1964 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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