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US Patent: 2,378,775
Screw Driver
Patentee: Algot T. Johnson (exact or similar names) - Jamestown, NY USPTO Classifications: 279/96, 403/4, 81/438 Tool Categories: screwdrivers : screwdriver mechanisms Assignees: None Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Mar. 31, 1944 Granted: Jun. 19, 1945 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Stan Schulz

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