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US Patent: 2,239,443
Transmission Mechanism for Lathes
Patentees: William F. Groene (exact or similar names) - Cincinnati, OH Harry C. Kemper (exact or similar names) - Cincinnati, OH USPTO Classifications: 74/342, 74/348, 82/143 Tool Categories: metalworking machines : metalworking machine mechanisms metalworking machines : metal lathes : engine lathes Assignees: R. K. Le Blond Machine Tool Co. - Cincinnati, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 12, 1939 Granted: Apr. 22, 1941 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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