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US Patent: 2,440
Improvement in machines for excavating ditches
Patentee:
Herrick Aiken (exact or similar names) - Franklin, NH

USPTO Classifications:
37/366

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
L. H. Rowell
Thomas R. White
Patent Dates:
Granted: Feb. 01, 1842

Patent Pictures:
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