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US Patent: 405,706
Surface Grinding or Planing Machine
Patentee: Elwin R. Hyde (exact or similar names) - Springfield, Hampden County, MA USPTO Classifications: 184/6.14, 29/DIG.101, 29/DIG.77, 29/DIG.88, 451/213, 451/393, 451/449 Tool Categories: metalworking machines : grinders : surface grinders metalworking machines : metal planers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 22, 1888 Granted: Jun. 25, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Springfield Glue & Emery Wheel Co.

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