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US Patent: 6,399
Machine for making grindstones
Patentee:
Cotton Foss (exact or similar names) - Painesville, OH

USPTO Classifications:
116/4, 173/148, 173/197, 408/145, 408/204

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
I. F. Single
Lewis Millen
Patent Dates:
Granted: Apr. 24, 1849

Patent Pictures:
USPTO (New site tip)
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