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US Patent: 190,459
Improvement in Screw-Driver Handles
Patentee: Henry Wilkinson (exact or similar names) - Collinsville, CT USPTO Classifications: 294/57, 74/543, 81/489, D8/83 Tool Categories: screwdrivers : screwdriver handles Assignees: None Manufacturer: Not known to have been produced Witnesses: W. E. Simonds Robert F. Gaylord	Patent Dates: Applied: Mar. 24, 1877 Granted: May 08, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin

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