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US Patent: 80,141
Improvement in saw-filing machines
Patentee: Hymen Clendenen (exact or similar names) - Beverly, OH USPTO Classifications: 76/31 Tool Categories: metalworking machines : grinders : sharpening machines : saw sharpening machines Assignees: None Manufacturer: Not known to have been produced Witnesses: J. C. Preston Perley Chapman	Patent Dates: Granted: Jul. 21, 1868 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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