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US Patent: 221,602
Improvement in insertible saw-teeth
Patentee: James Ohlen (exact or similar names) - Columbus, OH USPTO Classifications: 83/841 Tool Categories: woodworking machines : circular saws : insertable saw teeth woodworking machines : machine and tool cutters : insertable saw teeth Assignees: None Manufacturer: James Ohlen & Sons - Columbus, OH Witnesses: Carroll J. Holloway David F. McNaghton	Patent Dates: Applied: Sep. 29, 1879 Granted: Nov. 11, 1879 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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