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US Patent: 185,863
Improvement in saw-filing machines
Patentee: Arba Martin (exact or similar names) - Big Rapids, MI USPTO Classifications: 76/31, 76/79 Tool Categories: metalworking machines : grinders : sharpening machines : saw sharpening machines Assignees: None Manufacturer: Not known to have been produced Witnesses: J. H. Palmer W. D. Osburn	Patent Dates: Applied: Dec. 11, 1876 Granted: Jan. 02, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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