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US Patent: RE7,153
Machine for Tapping Screw Nuts
Patentee: Samuel L. Worsley (exact or similar names) - Providence, RI USPTO Classifications: 408/69 Tool Categories: specialty machines : nut or bolt making machines metalworking machines : metal threading machines Assignees: American Screw Co. - Providence, RI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 01, 1876 Granted: May 30, 1876 Reissue Information: Reissue of 166,490 (Aug. 10, 1875) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for American Screw Co.

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