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US Patent: 8,330
Saw-filing machine
Patentee:
Thomas M. Chapman - Old Town, ME

USPTO Classifications:
76/34

Tool Categories:
metalworking machines : grinders : sharpening machines : saw sharpening machines

Assignees:
None

Manufacturer:
T. M. Chapman - Old Town, ME

Witnesses:
Joseph W. Strange
A. Sanborn

Patent Dates:
Granted: Sep. 02, 1851

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for T. M. Chapman

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