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US Patent: 175,837
Improvement in saw-sharpeners Saw-filing and setting machine
Patentee: Orin Martin (exact or similar names) - Bloomfield, IA USPTO Classifications: 76/34, 76/63 Tool Categories: metalworking machines : grinders : sharpening machines : saw sharpening machines Assignees: None Manufacturer: Not known to have been produced Witnesses: D. R. Allender J. B. Weaver	Patent Dates: Applied: Nov. 17, 1875 Granted: Apr. 11, 1876 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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