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US Patent: 153,009
Improvement in expansible wedges
Patentee: Robert Nesbitt (exact or similar names) - Franklin, PA USPTO Classifications: 111/99, 144/195.7, 254/104, 294/89, 411/63 Tool Categories: woodworking tools : axes woodworking tools : hammers metalworking tools : hammers Assignees: J. E. Tibiob - Franklin, PA Manufacturer: Not known to have been produced Witnesses: John McAlister P. G. Woods	Patent Dates: Applied: May 23, 1874 Granted: Jul. 14, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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