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US Patent: 203,946
Metal Screw Machine
Patentee: Charles D. Rodgers (exact or similar names) - Providence, RI USPTO Classifications: 29/38R, 470/74 Tool Categories: metalworking machines : screw machines Assignees: American Screw Co. - Providence, RI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 26, 1878 Granted: May 21, 1878 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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