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US Patent: 455,477
Drill-Chuck Drill Bit Extension, Etc.
Patentee: John F. Steward (exact or similar names) - Chicago, IL USPTO Classifications: 279/44 Tool Categories: woodworking tools : hand drills : drill bit extensions work holding : vises : hand vises Assignees: None Manufacturer: Not known to have been produced Witnesses: S. L. Steward W. H. Hackett	Patent Dates: Applied: Aug. 02, 1890 Granted: Jul. 07, 1891 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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