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US Patent: 127,462
Improvement in saw-filing machines
Patentee: Thomas M. Chapman (exact or similar names) - Old Town, ME USPTO Classifications: 76/31, 76/79.5 Tool Categories: metalworking machines : grinders : sharpening machines : saw sharpening machines Assignees: None Manufacturer: T. M. Chapman - Old Town, ME Witnesses: David Norton John A. Blanchard	Patent Dates: Granted: Jun. 04, 1872 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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