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US Patent: 301,165
Apparatus for Cutting Screws
Patentees: William A. Rogers (exact or similar names) - Cambridge, Middlesex County, MA George F. Ballou (exact or similar names) - Waltham, Middlesex County, MA USPTO Classifications: 470/80, 82/110, 82/152 Tool Categories: metalworking machines : metal threading machines metalworking machines : screw machines Assignees: None Manufacturer: Ballou Mfg. Co. - Hartford, Hartford County, CT Witnesses: Unknown	Patent Dates: Applied: Sep. 24, 1883 Granted: Jul. 01, 1884 Patent Pictures: [ 1 | 2 | 3 | 4 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Ballou Mfg. Co.

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