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US Patent: 2,219,444
Grinding Wheel Dust Hood
Patentees: Theodore F. Eserkaln (exact or similar names) - Wauwatosa, Milwaukee County, WI Ralph E. Grobe (exact or similar names) - Neenah, Winnebago County, WI USPTO Classifications: 29/DIG.69, 29/DIG.86, 451/456 Tool Categories: metalworking machines : grinders Assignees: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 02, 1937 Granted: Oct. 29, 1940 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Kearney & Trecker Co.

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