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US Patent: 521,646
Grinding-machine
Patentee:
Rufus Dutton (exact or similar names) - Yonkers, NY

USPTO Classifications:
451/241

Tool Categories:
metalworking machines : grinders : sharpening machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Andrew J. Tracy
W. S. Holbrook

Patent Dates:
Applied: Sep. 22, 1888
Granted: Jun. 19, 1894

Patent Pictures:
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