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US Patent: 2,227,404
Guard for Horizontal Shafts
Patentee: William F. Zimmermann (exact or similar names) - Maplewood, Essex County, NJ USPTO Classifications: 409/134, 74/609, 74/89.32 Tool Categories: metalworking machines : gear making machines : gear hobbing machines metalworking machines : metalworking machine mechanisms : metalworking machine safety guards Assignees: Gould & Eberhardt - Newark, Essex County, NJ Manufacturer: Gould & Eberhardt - Newark, Essex County, NJ Witnesses: Unknown	Patent Dates: Applied: Apr. 15, 1939 Granted: Dec. 31, 1940 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Gould & Eberhardt

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