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US Patent: 117,944
Improvement in saws
Patentee: Patrick Thompson (exact or similar names) - Pittsburgh, PA USPTO Classifications: 83/845 Tool Categories: woodworking machines : circular saws : saw teeth woodworking machines : machine and tool cutters : saw teeth Assignees: None Manufacturer: Not known to have been produced Witnesses: A. C. Johnston James J. Johnston	Patent Dates: Granted: Aug. 08, 1871 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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