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US Patent: 4,528,776
Honing machine with stonewear compensator
Patentee: Mark R. Estabrook (exact or similar names) - Rockford, IL USPTO Classifications: 451/150, 451/21 Tool Categories: metalworking machines : honing machines Assignees: Barnes Drill Co. - Rockford, IL Manufacturer: Barnes Drill Co. - Rockford, IL Witnesses: Unknown	Patent Dates: Applied: Jun. 24, 1983 Granted: Jul. 16, 1985 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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