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US Patent: 421,391
Tool Attachment
Patentee: John H. Dixon (exact or similar names) - Pittsburgh, PA USPTO Classifications: 81/36 Tool Categories: woodworking tools : hand drills Assignees: None Manufacturer: Not known to have been produced Witnesses: J. Stewart Bowen W. B. Corwin John K. Smith	Patent Dates: Applied: Mar. 21, 1888 Granted: Feb. 18, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)
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