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US Patent: 8,644X
Steam engine
Rotary steam engine
Patentee:
George M. Alsop (exact or similar names) - Philadelphia, PA

USPTO Classifications:
418/191

Tool Categories:
propulsion and energy : steam engines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Feb. 20, 1835

Patent Pictures:
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Description:
Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. Only the patent drawing is available. This patent is in the database for reference only.

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