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US Patent: 1,489,381
Bevel Wheel Gear Shaper
Patentee: Curt Barth (exact or similar names) - Hamburg, Germany USPTO Classifications: 409/44 Tool Categories: metalworking machines : gear making machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 10, 1920 Granted: Apr. 08, 1924 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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