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US Patent: 406,525
Key Seat Cutting Machine
Patentees: Orton C. Little (exact or similar names) - Menasha, Winnebago County, WI Addison M. Little (exact or similar names) - Menasha, Winnebago County, WI USPTO Classifications: 409/307, 409/334 Tool Categories: metalworking machines : key seating machines Assignees: Ducan T. H. MacKinnon - Menasha, Winnebago County, WI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 09, 1889 Granted: Jul. 09, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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