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US Patent: 5,050,352
Honing stone assembly
Patentees: Charles R. Van Sickle (exact or similar names) - Winnebago, IL Mark R. Estabrook (exact or similar names) - Rockford, IL USPTO Classifications: 451/463, 451/470, 451/487 Tool Categories: metalworking machines : honing machines Assignees: Barnes Drill Co. - Rockford, IL Manufacturer: Barnes Drill Co. - Rockford, IL Witnesses: Unknown	Patent Dates: Applied: Oct. 02, 1989 Granted: Sep. 24, 1991 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Barnes Drill Co.

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