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US Patent: 233,846
Planer Chuck
Patentee: John H. Greenwood (exact or similar names) - Columbus, OH USPTO Classifications: 144/278.1, 269/258, 269/61, 409/313, 451/226 Tool Categories: metalworking machines : metal planers : metal planer chucks work holding : vises : chucks Assignees: None Manufacturer: L. B. Flanders Machine Works - Philadelphia, PA Pedrick & Ayer - Philadelphia, PA Witnesses: E. T. Hughes C. B. Funston Sidney P. Hollingsworth P. R. Stansbury	Patent Dates: Applied: Jul. 01, 1880 Granted: Nov. 02, 1880 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Pedrick & Ayer
Description: Stansbury & Munn - patent attorneys

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