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US Patent: 2,049,490
Grinding Fixture
Patentee: Joseph C. Drader (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 451/27 Tool Categories: metalworking machines : grinders : grinding fixtures Assignees: Michigan Tool Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 07, 1930 Granted: Aug. 04, 1936 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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