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US Patent: 1,662,078
Method of and Machine for Grinding Fine-Tooth Hobs
Patentee: Ole Severson (exact or similar names) - Shelton, Fairfield County, CT USPTO Classifications: 451/222, 451/340, 451/364, 451/374, 451/48 Tool Categories: metalworking machines : grinders : hob grinding machines Assignees: O. K. Tool Co., Inc. - New York, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 12, 1925 Granted: Mar. 13, 1928 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for O. K. Tool Holder Co.

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