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US Patent: 122,344
Excavator
Patentee:
George W. Williams - 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:
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