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US Patent: 11,033
Apparatus for filing mill-saws
Patentee:
John Sheffield (exact or similar names) - Pultneyville, NY

USPTO Classifications:
76/31

Tool Categories:
metalworking machines : grinders : sharpening machines : saw sharpening machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
D. C. Higgins
R. Reynold
Patent Dates:
Granted: Jun. 06, 1854

Patent Pictures:
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