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US Patent: 993,398
Adjusting and grinding planer-knives
Patentee: Ozra Burr Osborn (exact or similar names) - Beloit, WI USPTO Classifications: 144/130.2, 451/419, 451/45 Tool Categories: woodworking machines : woodworking machine parts or accessories : woodworking machine sharpening mechanisms Assignees: Berlin Machine Works - Beloit, WI Manufacturer: P. B. Yates Machine Co. - Beloit, WI Berlin Machine Works - Beloit, WI Witnesses: H. E. Gillette Burt D. Stevens	Patent Dates: Applied: Sep. 18, 1908 Granted: May 30, 1911 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for P. B. Yates Machine Co. Vintage Machinery entry for Berlin Machine Works

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