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US Patent: 924,832
Rotary Engine
Patentee:
Robert W. Riordan (exact or similar names) - Brooklyn, Kings County, NY

USPTO Classifications:
418/136, 418/157

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 18, 1908
Granted: Jun. 15, 1909

Patent Pictures:
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