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US Patent: 2,225,731
Broaching Machine
Patentee: William D. Averill (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 409/250, 409/252, 409/258, 409/277, 83/180 Tool Categories: metalworking machines : broaching machines Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 21, 1938 Granted: Dec. 24, 1940 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Milling Machine Co.

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