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US Patent: 1,410,521
Screw Driver
Patentee: William Stratton Thomson (exact or similar names) - Plantsville, CT USPTO Classifications: 217/60D, 81/177.1, 81/436 Tool Categories: screwdrivers Assignees: H. D. Smith & Co. - Plantsville, CT Manufacturer: H. D. Smith & Co. - Plantsville, CT Witnesses: Unknown	Patent Dates: Applied: May 05, 1921 Granted: Mar. 21, 1922 Patent Pictures: [ 1 | 2 | 3 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin

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