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US Patent: 1,123,871
Machine for sharpening safety-razor blades
Patentee: Andrew L. Hatfield (exact or similar names) - Newark, NJ USPTO Classifications: 451/132 Tool Categories: metalworking machines : grinders : sharpening machines Assignees: None Manufacturer: Hyfield Mfg. Co. - New York, NY Witnesses: Francis E. Blodgett Cornelius Zabriskie	Patent Dates: Applied: Nov. 13, 1911 Granted: Jan. 05, 1915 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Hyfield Mfg. Co.

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