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US Patent: 1,949,513
Grinding wheel
Patentee: Wallace W. Greenwood (exact or similar names) - Worcester, MA USPTO Classifications: 451/543 Tool Categories: industrial tools : grinding wheels metalworking machines : grinders : sharpening machines : grinding wheels Assignees: Norton Co. - Worcester, MA Manufacturer: Norton Co. - Worcester, MA Witnesses: Unknown	Patent Dates: Applied: Aug. 08, 1930 Granted: Mar. 06, 1934 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Norton Co.
Description: A modification of the inventor's earlier patent 1,469,723.

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