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US Patent: 38,542
Rotary Steam Engine
Patentee:
W. B. Allyn (exact or similar names) - Washington, Fayette County, OH

USPTO Classifications:
418/173, 418/253

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: May 19, 1863

Patent Pictures:
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