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US Patent: 157,989
Improvement in sawing-machines
Patentee: William W. Duffield (exact or similar names) - Huntington, PA USPTO Classifications: 83/749 Tool Categories: woodworking machines : reciprocating saws trade specific : wheelwright woodworking machines : human powered machines Assignees: None Manufacturer: Not known to have been produced Witnesses: John Bell Samuel C. Mills	Patent Dates: Applied: Dec. 05, 1874 Granted: Dec. 22, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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