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US Patent: 2,191,347
Crankshaft lathe
Patentees: Harold J. Siekmann (exact or similar names) - Cincinnati, OH William F. Groene (exact or similar names) - Cincinnati, OH USPTO Classifications: 82/106 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: Feb. 21, 1938 Granted: Feb. 20, 1940 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 related to the crankshaft lathes of patents RE19,905, RE20,090 and 2,069,107.

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