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US Patent: 19,641
Edge Tool Grinder
Holder for Planing Knives while Grinding
Patentee:
Lyman Jennigs (exact or similar names) - Erving, MA

USPTO Classifications:
451/370

Tool Categories:
metalworking machines : grinders : tool grinders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. B. Washburn
William Young
Patent Dates:
Granted: Mar. 16, 1858

Patent Pictures:
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