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US Patent: 90,125
Improvement in saw-filing machine
Patentees:
George Robinson (exact or similar names) - Sodus, NY
Harvey O. Silver (exact or similar names) - Sodus, 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:
C. C. Teall
Ambliss Chester
Patent Dates:
Granted: May 18, 1869

Patent Pictures:
USPTO (New site tip)
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