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US Patent: 441,865
Rotary Gas Engine
Patentee:
George H. Chappell (exact or similar names) - New York, NY

USPTO Classifications:
123/247, 418/232

Tool Categories:
propulsion and energy : internal combustion engines : rotary engines

Assignees:
George H. Chappell - New York, NY
Julius M. Heyman - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 18, 1890
Granted: Dec. 02, 1890

Patent Pictures:
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