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US Patent: 1,679,185
Screw driver
Patentee: Burton W. Sweet (exact or similar names) - Cleveland, OH USPTO Classifications: 310/50, 310/66, 310/68A, 451/294 Tool Categories: Assignees: Van Dorn Electric Tool Co. - Cleveland, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Jul. 31, 1928 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Van Dorn Electric Tool Co.

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