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US Patent: 1,477,480
Combined power and hand operated feed mechanism
Patentee: William F. Groene (exact or similar names) - Cincinnati, OH USPTO Classifications: 318/2, 451/393, 477/12, 74/625, 82/132 Tool Categories: metalworking machines : metal lathes Assignees: R. K. LeBlond Machine Tool Co. - Cincinnati, OH Manufacturer: R. K. LeBlond Machine Tool Co. - Cincinnati, OH Witnesses: Unknown	Patent Dates: Applied: Aug. 02, 1920 Granted: Dec. 11, 1923 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.

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