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US Patent: 1,465,460
Machine for Cutting Keyways
Patentee: John Alleman (exact or similar names) - Philadelphia, PA USPTO Classifications: 409/332 Tool Categories: metalworking machines : key seating machines Assignees: August Amsler - Philadelphia, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 18, 1921 Granted: Aug. 21, 1923 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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