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US Patent: 443,335
Lathe
Patentee: John D. Silberzahn (exact or similar names) - Milwaukee, Milwaukee County, WI USPTO Classifications: 82/136 Tool Categories: metalworking machines : metal lathes : screwcutting lathes Assignees: John D. Silberzahn - Milwaukee, Milwaukee County, WI Frederick J. Meier - Milwaukee, Milwaukee County, WI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 18, 1890 Granted: Dec. 23, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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