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US Patent: 194,962
Screw Cutting Machines
Patentee: Lyman Field (exact or similar names) - Medina, Orleans County, NY USPTO Classifications: 29/DIG.101, 29/DIG.67, 29/DIG.90, 408/57, 408/61 Tool Categories: metalworking machines : screw machines metalworking machines : metal lathes : screwcutting lathes Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 14, 1877 Granted: Sep. 11, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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