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US Patent: 2,257,407
Knife sharpener
Patentee: Carlyle C. Wulff (exact or similar names) - Chicago, IL USPTO Classifications: 451/241 Tool Categories: knives and cutters : sharpening apparatus metalworking machines : grinders : sharpening machines Assignees: None Manufacturer: Wulff Mfg. Co. - Ontarioville, IL Witnesses: Unknown	Patent Dates: Applied: Nov. 30, 1940 Granted: Sep. 30, 1941 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Wulff Mfg. Co.
Description: This patent number was seen on a Wulff Hone-Rite Sharpener from Wulff Mfg. Co.

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