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US Patent: 374,821
Reversible saw-tooth
Patentee: Robert John Bole (exact or similar names) - Beaver Falls, PA USPTO Classifications: 125/22, 83/836, 83/841 Tool Categories: woodworking machines : circular saws : insertable saw teeth woodworking machines : machine and tool cutters : insertable saw teeth Assignees: None Manufacturer: Not known to have been produced Witnesses: G. L. Eberhart H. E. Fleming	Patent Dates: Applied: Jun. 30, 1887 Granted: Dec. 13, 1887 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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