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US Patent: 1,582,608
Sectional Grinding Wheel
Patentee: Elwin R. Hyde (exact or similar names) - Bridgeport, Fairfield County, CT USPTO Classifications: 451/543 Tool Categories: metalworking machines : grinders : grinder wheels Assignees: Bridgeport Safety Emery Wheel Co. - Bridgeport, Fairfield County, CT Manufacturer: Bridgeport Safety Emery Wheel Co. - Bridgeport, Fairfield County, CT Witnesses: Unknown	Patent Dates: Applied: Apr. 28, 1924 Granted: Apr. 27, 1926 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Bridgeport Safety Emery Wheel Co.

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