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US Patent: 3,020,679
Machine tools
Patentee: James L. Hensley (exact or similar names) - Clinton, TN USPTO Classifications: 451/124 Tool Categories: metalworking machines : grinders : surface grinders Assignees: Ty-Sa-Man Machine Co. - Knoxville, TN Manufacturer: Ty-Sa-Man Machine Co. - Knoxville, TN Witnesses: Unknown	Patent Dates: Applied: Sep. 04, 1958 Granted: Feb. 13, 1962 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Ty-Sa-Man Machine Co.
Description: The invention is an improved bridge structure and drive mechanism for the billet grinder of patent 2,807,123.

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