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US Patent: 1,188,162
Spiral tool-driver
Patentee: Claude R. Duggan (exact or similar names) - Huntsburg, OH USPTO Classifications: 74/127 Tool Categories: woodworking tools : hand drills Assignees: None Manufacturer: Not known to have been produced Witnesses: F. B. Morehouse Gladys E. Hughes	Patent Dates: Applied: Mar. 30, 1914 Granted: Jun. 20, 1916 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin

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