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US Patent: 2,274,543
Trimming mechanism for grinder wheels
Patentee: Ivor J. Gruenberg (exact or similar names) - Ferndale, MI USPTO Classifications: 125/11.07, 33/25.1 Tool Categories: industrial tools : grinding wheels : grinder dressers metalworking machines : grinders : grinder dressers Assignees: Gear Grinding Machine Co. - Detroit, MI Manufacturer: Gear Grinding Machine Co. - Detroit, MI Witnesses: Unknown	Patent Dates: Applied: Jun. 10, 1940 Granted: Feb. 24, 1942 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Gear Grinding Machine Co.

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