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US Patent: 890,848
Screw Threading Machine
Patentees: Joseph O. Dixon (exact or similar names) - Hanover, York County, PA Ervin S. Mummert (exact or similar names) - Hanover, York County, PA USPTO Classifications: 279/122, 408/152, 408/163 Tool Categories: metalworking machines : metal threading machines Assignees: Mummert, Wolf & Dixon Co. - Hanover, York County, PA Manufacturer: Not known to have been produced Witnesses: John B. Miller A. E. Buckminster R. J. Beall W. S. Dundee	Patent Dates: Applied: Jan. 17, 1907 Granted: Jun. 16, 1908 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Mummert-Dixon Co.

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