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US Patent: 2,330,968
Multiple Spindle Broaching Lathe Indexing Mechanism
Patentees: William F. Groene (exact or similar names) - Cincinnati, OH Harold J. Siekmann (exact or similar names) - Cincinnati, OH USPTO Classifications: 29/38E, 29/6.01, 74/821, 74/822 Tool Categories: metalworking machines : metalworking machine mechanisms metalworking machines : metal lathes : crankshaft lathes metalworking machines : metal lathes : multiple spindle lathes Assignees: R. K. Le Blond Machine Tool Co. - Cincinnati, OH Manufacturer: R. K. Le Blond Machine Tool Co. - Cincinnati, OH Witnesses: none listed	Patent Dates: Applied: Apr. 30, 1940 Granted: Oct. 05, 1943 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.
Description: Willard S. Groene - patent attorney

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