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US Patent: 316,784
Gear Cutter Shaping Tool
Patentee: Robert M. Hill (exact or similar names) - Lowell, Middlesex County, MA USPTO Classifications: 407/20 Tool Categories: metalworking machines : metal lathes : lathe tools Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 07, 1884 Granted: Apr. 28, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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