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US Patent: 4,471,673
Sharpening apparatus for circular saw blades
Patentee: Roger K. Rosenquist (exact or similar names) - Rogers, MN USPTO Classifications: 76/41, 76/79 Tool Categories: woodworking machines : machine and tool cutters : cutter grinding Assignees: Foley-Belsaw Co. - Minneapolis, MN Manufacturer: Foley-Belsaw Co. - Minneapolis, MN Witnesses: Unknown	Patent Dates: Applied: Aug. 23, 1982 Granted: Sep. 18, 1984 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Foley-Belsaw Co.

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