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US Patent: 917,319
Breast-drill
Patentee: George O. Leopold (exact or similar names) - Philadelphia, PA USPTO Classifications: 74/134, 74/366, 81/30, 81/33 Tool Categories: woodworking tools : hand drills : breast drills Assignees: North Brothers Manufacturing Co. - Philadelphia, PA Manufacturer: North Brothers Manufacturing Co. - Philadelphia, PA Witnesses: William A. Barr Joseph H. Klein	Patent Dates: Applied: May 01, 1907 Granted: Apr. 06, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward George Langford

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