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US Patent: 62,945
Improved method of holding edged tools on grindstones
Patentee:
Patrick V. Dunn (exact or similar names) - Calamus, WI

USPTO Classifications:
451/372

Tool Categories:
work holding : sharpening jigs and fixtures

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles W. Russell
Lorenzo D. Livermore
Patent Dates:
Granted: Mar. 19, 1867

Patent Pictures:
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