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US Patent: 3,125,903
Eccentric Boring Head
Patentees: Ottis R. Birney, Jr. (exact or similar names) - Pontiac, Oakland County, MI James W. Birney (exact or similar names) - Pontiac, Oakland County, MI USPTO Classifications: 408/151 Tool Categories: metalworking machines : drilling and boring : boring heads Assignees: Birney Mfg. Co. - Pontiac, Oakland County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 26, 1960 Granted: Mar. 24, 1964 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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