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US Patent: 339,277
Screw driver
Patentee: Joseph R. Doolittle (exact or similar names) - Southington, CT USPTO Classifications: 74/127 Tool Categories: screwdrivers : screwdriver mechanisms : spiral screwdrivers Assignees: None Manufacturer: Ellrich Hardware Co. - Plantsville, CT Witnesses: George Terry J. Edward Ludington	Patent Dates: Applied: Dec. 18, 1885 Granted: Apr. 06, 1886 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin
Description: Marked, "PATD APR 6-86". An article in an 1890 issue of Mechanical News tell us the manufacturer: Ellrich Hardware of Plantsville, Ct.

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