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US Patent: 2,657,065
Automatic Chuck
Patentees: Walter F. Wilhelm (exact or similar names) - Dayton, Montgomery County, OH Max De Haas (exact or similar names) - Dayton, Montgomery County, OH USPTO Classifications: 269/216, 279/131, 279/132, 279/16, 279/35, 82/165 Tool Categories: metalworking machines : metal lathes : metal lathe chucks Assignees: Monarch Machine Tool Co. - Sidney, Shelby County, OH Manufacturer: Monarch Machine Tool Co. - Sidney, Shelby County, OH Witnesses: Unknown	Patent Dates: Applied: Dec. 07, 1949 Granted: Oct. 27, 1953 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Monarch Machine Tool Co.

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