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US Patent: 122,344
Excavator
Patentee: George W. Williams (exact or similar names) - Corning, NY USPTO Classifications: 37/306 Tool Categories: construction machines : excavators Assignees: Edgar Hill - Corning, NY Manufacturer: Not known to have been produced Witnesses: E. D. Mills George Hitchcock	Patent Dates: Granted: Jan. 02, 1872 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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