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US Patent: 451,712
Watch Makers Jewel Setting Cutter
Patentee: Alphomso Hartung (exact or similar names) - Nevada City, Nevada County, CA USPTO Classifications: 29/10, 407/10, 407/120, 81/7 Tool Categories: metalworking machines : metal lathes : watchmakers lathes metalworking machines : metal lathes : lathe tools Assignees: None Manufacturer: Not known to have been produced Witnesses: F. C. Luetje John S. Swars	Patent Dates: Applied: Dec. 20, 1890 Granted: May 05, 1891 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin

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