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US Patent: 2,308,689
Broaching Machine
Patentees: Amos H. Hawley, Sr. (exact or similar names) - Cincinnati, Hamilton County, OH Edgar D. Vancil (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 409/273 Tool Categories: metalworking machines : broaching machines Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 23, 1940 Granted: Jan. 19, 1943 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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