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US Patent: 120,071
Improvement in Steam Plows
Patentee:
Oliver Hyde (exact or similar names) - Oakland, Alameda County, CA

USPTO Classifications:
172/76

Tool Categories:
propulsion and energy : steam apparatus : steam traction engines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Oct. 17, 1871

Patent Pictures:
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