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US Patent: 442,828
Screw-cutting die
Patentee: Charles P. Russell (exact or similar names) - Greenfield, MA USPTO Classifications: 408/181, 408/239R Tool Categories: industrial tools : taps and dies metalworking tools : taps and dies Assignees: Wiley & Russell Manufacturing Co. - Greenfield, MA Manufacturer: Wiley & Russell Manufacturing Co. - Greenfield, MA Witnesses: Unknown	Patent Dates: Applied: Aug. 16, 1890 Granted: Dec. 16, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Wiley & Russell Manufacturing Co.

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