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US Patent: 2,493,299
Hydraulic Gear Shifting Mechanism
Patentees: Richard K. Le Blond (exact or similar names) - Cincinnati, OH Harry C. Kemper (exact or similar names) - Goshen Township, Clermont County, OH USPTO Classifications: 192/225, 74/28, 74/336.5, 74/364, 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: Jun. 20, 1945 Granted: Jan. 03, 1950 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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