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US Patent: D44,573
Design for a Screw-Driver
Patentee: George O. Leopold (exact or similar names) - Philadelphia, PA USPTO Classifications: D8/84, D8/DIG8 Tool Categories: screwdrivers Assignees: North Brothers Manufacturing Co. - Philadelphia, PA Manufacturer: Not known to have been produced Witnesses: William E. Shupe William A. Barr	Patent Dates: Applied: Oct. 07, 1911 Granted: Aug. 26, 1913 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin

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