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US Patent: 1,442,660
Taper attachment for lathes
Patentee: William F. Groene (exact or similar names) - Cincinnati, OH USPTO Classifications: 82/17 Tool Categories: metalworking machines : metal lathes : metal lathe accessories and attachments Assignees: R. K. LeBlond Machine Tool Co. - Cincinnati, OH Manufacturer: R. K. LeBlond Machine Tool Co. - Cincinnati, OH Witnesses: Unknown	Patent Dates: Applied: May 20, 1921 Granted: Jan. 16, 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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