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US Patent: 232,869
Machine for Threading Screws
Patentee: Samuel L. Worsley (exact or similar names) - Buffalo, NY USPTO Classifications: 408/125, 408/69, 470/66 Tool Categories: metalworking machines : metal threading machines Assignees: Plumb, Burdict and Barnard - Buffalo, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 01, 1879 Granted: Oct. 05, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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