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US Patent: 3,220,287
Precision Boring Bar
Patentee: Leroy E. Alvey (exact or similar names) - Bridgeport, CT USPTO Classifications: 408/153, 408/16 Tool Categories: Assignees: Bullard Co. - Bridgeport, CT Manufacturer: Bullard Co. - Bridgeport, CT Witnesses: Unknown	Patent Dates: Applied: Apr. 08, 1964 Granted: Nov. 30, 1965 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Vintage Machinery entry for Bullard Machine Tool Co.

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