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US Patent: 1,123,871
Machine for sharpening safety-razor blades
Patentee:
Andrew L. Hatfield - Newark, NJ

USPTO Classifications:
451/132

Tool Categories:
metalworking machines : grinders : sharpening machines

Assignees:
None

Manufacturer:
Hyfield Manufacturing Co. - New York, NY

Witnesses:
Cornelius Zabriskie
Francis E. Blodgett

Patent Dates:
Applied: Nov. 13, 1911
Granted: Jan. 05, 1915

Patent Pictures:
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"Vintage Machinery" entry for Hyfield Manufacturing Co.

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