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US Patent: 291,754
Attachment for Watchmakers Lathes
Patentee: Oscar F. Main (exact or similar names) - Marion, Linn County, IA USPTO Classifications: 82/152 Tool Categories: metalworking machines : metal lathes : watchmakers lathes metalworking machines : metal lathes : metal lathe accessories and attachments Assignees: None Manufacturer: Not known to have been produced Witnesses: E. L. Sampson D. P. Thurber	Patent Dates: Applied: Aug. 07, 1883 Granted: Jan. 08, 1884 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin

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