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US Patent: 7,388
Edge Tool Grinder
Machine for Grinding Spiral Knives
Patentee:
Silas Stevens (exact or similar names) - Brookfield, Worcester County, MA

USPTO Classifications:
451/367451

Tool Categories:
metalworking machines : grinders : tool grinders

Assignees:
George Forbes - Brookfield, Worcester County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: May 21, 1850

Patent Pictures:
USPTO (New site tip)
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