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US Patent: 430,133
Mandrel for key-seat-cutting machines
Patentee: Addison M. Little (exact or similar names) - Menasha, WI USPTO Classifications: 409/277 Tool Categories: metalworking machines : broaching machines metalworking machines : key seating machines Assignees: Addison M. Little - Menasha, WI Duncan T. H. Mackennon - Menasha, WI Manufacturer: Not known to have been produced Witnesses: Joseph L. Fieweger Harry De Wolf	Patent Dates: Applied: Jan. 28, 1890 Granted: Jun. 17, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Improvements to patent 406,525.

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