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US Patent: 503,127
Machine for grinding mower-knives
Patentee:
Rufus Dutton (exact or similar names) - New York, NY

USPTO Classifications:
451/122

Tool Categories:
agricultural : sharpeners
metalworking machines : grinders : sharpening machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Irving E. Smith
Bernard J. Isecke

Patent Dates:
Applied: Jan. 17, 1891
Granted: Aug. 15, 1893

Patent Pictures:
USPTO (New site tip)
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