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US Patent: 202,309
Improvement in saw-sharpening machines
Patentee: John Wagner (exact or similar names) - Grand Rapids, WI USPTO Classifications: 76/31, 76/78.1 Tool Categories: metalworking machines : grinders : sharpening machines : saw sharpening machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Charles Hause John Hamm	Patent Dates: Applied: Feb. 28, 1878 Granted: Apr. 09, 1878 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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