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US Patent: 635,272
Screw Cutting Tool
Patentee: Edwin H. Williams (exact or similar names) - Hartford, Hartford County, CT USPTO Classifications: 408/148, 470/77 Tool Categories: metalworking machines : metal lathes : metal lathe accessories and attachments metalworking tools : tap and die holders Assignees: Edwin H. Williams - Hartford, Hartford County, CT John B. Simonds - Hartford, Hartford County, CT Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 16, 1898 Granted: Oct. 17, 1899 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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