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US Patent: 4,317
Compound Steam Engine
Patentee:
John Ericsson (exact or similar names) - New York, NY

USPTO Classifications:
60/690, 74/22R, 91/164, 91/166

Tool Categories:
propulsion and energy : steam engines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Dec. 20, 1845

Patent Pictures:
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