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US Patent: 204,812
Improvement in Screw-Drivers
Patentee: Richard S. Gladding (exact or similar names) - Bristol, RI USPTO Classifications: 279/24, 7/167, 81/438 Tool Categories: screwdrivers : screwdriver blades Assignees: None Manufacturer: Not known to have been produced Witnesses: Joseph A. Miller Joseph A. Miller, Jr.	Patent Dates: Applied: Nov. 07, 1877 Granted: Jun. 11, 1878 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin

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