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US Patent: 107,768
Improvement in Grindstones or Tool-sharpeners
Patentees:
Uriah Faris - Bed Rock, IA
Abraham Miller - Bed Rock, IA

USPTO Classifications:
451/164

Tool Categories:
metalworking machines : grinders : sharpening machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Benjamin F. Pointer
Joshua Roush

Patent Dates:
Granted: Sep. 27, 1870

Patent Pictures:
USPTO pdf tiff
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