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US Patent: 259,903
Device for Threading Plugs
Patentees: Jay H. Newbury (exact or similar names) - Coxsackie, Greene County, NY George A. Chapman (exact or similar names) - Coxsackie, Greene County, NY USPTO Classifications: 82/165 Tool Categories: metalworking machines : metal lathes : metal lathe accessories and attachments Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 25, 1882 Granted: Jun. 20, 1882 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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