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US Patent: 2,148,350
Crankshaft chuck
Patentees: Walter R. Meyer (exact or similar names) - Cincinnati, OH William F. Groene (exact or similar names) - Cincinnati, OH USPTO Classifications: 269/267, 82/109 Tool Categories: metalworking machines : metal lathes : crankshaft lathes Assignees: R. K. LeBlond Machine Tool Co. - Cincinnati, OH Manufacturer: R. K. LeBlond Machine Tool Co. - Cincinnati, OH Witnesses: Unknown	Patent Dates: Applied: Apr. 07, 1938 Granted: Feb. 21, 1939 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for R. K. LeBlond Machine Tool Co.
Description: Improvements to patent 2,129,271.

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