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US Patent: 4,199,455
Combined magnetic and cyclonic separating apparatus
Patentee: Mark R. Estabrook (exact or similar names) - Rockford, IL USPTO Classifications: 209/219, 210/223, 210/252, 210/305, 210/512.1 Tool Categories: Assignees: Barnes Drill Co. - Rockford, IL Manufacturer: Barnes Drill Co. - Rockford, IL Witnesses: Unknown	Patent Dates: Applied: Mar. 25, 1976 Granted: Apr. 22, 1980 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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