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US Patent: 2,923,181
Combination reaming and burnishing tool
Patentee: Casper Grage (exact or similar names) - Palatine, IL USPTO Classifications: 29/90.01, 408/229 Tool Categories: Assignees: DoALL Co., Inc. - Des Plaines, IL Manufacturer: DoALL Co., Inc. - Des Plaines, IL Witnesses: Unknown	Patent Dates: Applied: Oct. 31, 1958 Granted: Feb. 02, 1960 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for DoALL Co., Inc.

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