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US Patent: 467,787
Machine for Making Screws
Patentee: Peter Baron (exact or similar names) - Lowell, Middlesex County, England USPTO Classifications: 29/48.5R, 409/190, 470/58, 470/83, 82/138 Tool Categories: metalworking machines : screw machines Assignees: Herbert Grenfell - London, Middlesex County, England Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 31, 1891 Granted: Jan. 26, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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