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US Patent: 173,228
Improvement in Instruments for Driving and Extracting Faucets, Bungs, &c.
Patentees: Alexander McKenna (exact or similar names) - Pittsburgh, PA Thomas McKenna (exact or similar names) - Pittsburgh, PA USPTO Classifications: 254/113, 254/131, 7/146 Tool Categories: trade specific : cooper woodworking tools : hammers : mallets Assignees: None Manufacturer: Not known to have been produced Witnesses: Josiah W. Ells Robert S. Sill	Patent Dates: Applied: Sep. 20, 1875 Granted: Feb. 08, 1876 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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