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US Patent: 1,611,136
Centerless Grinding Machine for Tapering Drills and the Like
Patentee: Francis C. Sanford (exact or similar names) - Bridgeport, Fairfield County, CT USPTO Classifications: 451/182, 451/190, 451/199, 451/244 Tool Categories: metalworking machines : grinders : centerless grinders Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 17, 1922 Granted: Dec. 14, 1926 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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