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US Patent: 524,906
Combination Screw-Driver, Auger, and Countersink
Patentee: Angus McDougall (exact or similar names) - Boston, MA USPTO Classifications: 408/241R, 7/158, 7/165 Tool Categories: woodworking tools : hand drills : drill bits : countersinks screwdrivers : screwdriver blades Assignees: Luther E. Lewis - Boston, MA Manufacturer: Not known to have been produced Witnesses: K. Durfee O. M. Shaw	Patent Dates: Applied: Jan. 06, 1894 Granted: Aug. 21, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin

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