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US Patent: 144,383
Improvement in saw-sharpening machines
Patentee: Thomas M. Chapman (exact or similar names) - Old Town, ME USPTO Classifications: 269/238, 76/75, 76/78.1 Tool Categories: metalworking machines : grinders : sharpening machines : saw sharpening machines Assignees: None Manufacturer: T. M. Chapman - Old Town, ME Witnesses: J. B. Bass William Franklin Seavey	Patent Dates: Applied: Jun. 10, 1873 Granted: Nov. 11, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for T. M. Chapman

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