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US Patent: 179,750
Improvement in saw-filing machines
Patentee:
Gershom Wiborn (exact or similar names) - Manistee, MI

USPTO Classifications:
76/31

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Allen McKee
Frank L. Ray

Patent Dates:
Applied: May 22, 1876
Granted: Jul. 11, 1876

Patent Pictures:
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