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US Patent: 2,072,563
Automatic Multiple Broaching Machine
Patentees: John E. Lynch (exact or similar names) - Cincinnati, Hamilton County, OH Howard L. Pope (exact or similar names) - Cincinnati, Hamilton County, OH Amos H. Hawley (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 409/252, 409/270, 409/277, 83/206 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: Nov. 15, 1935 Granted: Mar. 02, 1937 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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