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US Patent: 419,638
Screw-Driver
Patentee: Felix Chantrell (exact or similar names) - Reading, PA USPTO Classifications: 279/102, 76/119, 81/436 Tool Categories: screwdrivers : screwdriver handles Assignees: None Manufacturer: Not known to have been produced Witnesses: Howard P. Warner Cyrus M. Strunk	Patent Dates: Applied: Oct. 18, 1888 Granted: Jan. 21, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin

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