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US Patent: 90,365
Improvement in saws and saw-teeth
Patentee: John M. Johnston (exact or similar names) - Mayfield, CA USPTO Classifications: 74/460, 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: George H. Strong J. L. Boone	Patent Dates: Granted: May 25, 1869 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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