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US Patent: 2,278,988
Boring Tool Holder
Patentee: Willard L. Groene (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 407/8, 407/87, 408/77, 82/159 Tool Categories: metalworking machines : metal lathes : lathe tool holders and tool posts Assignees: R. K. Le Blond Machine Tool Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 24, 1940 Granted: Apr. 07, 1942 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for R. K. Leblond Machine Tool Co.

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