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US Patent: 2,212,855
Combination Tool Head and Grinding Mechanism
Patentee: Windsor N. Chittenden (exact or similar names) - Chagrin Falls, Cuyahoga County, OH USPTO Classifications: 451/220, 451/374 Tool Categories: metalworking machines : grinders : tool grinders Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 06, 1937 Granted: Aug. 27, 1940 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Milling Machine Co.

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