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US Patent: 2,400,767
Grinding attachment
Patentees: Harold Gass (exact or similar names) - New York, NY Constantine Melidoni (exact or similar names) - New York, NY USPTO Classifications: 451/273, 451/365, 451/393 Tool Categories: metalworking machines : grinders : cylindrical grinders Assignees: Van Norman Co. - Springfield, MA Manufacturer: Van Norman Co. - Springfield, MA Witnesses: Unknown	Patent Dates: Applied: Apr. 19, 1945 Granted: May 21, 1946 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Van Norman Machine Tool Co.

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