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US Patent: 487,313
Gas Engine
Patentees:
Samuel Withers (exact or similar names) - London, Middlesex County, England
D'Estang Salisbury Covert (exact or similar names) - Chicago, IL

USPTO Classifications:
123/146, 123/18R

Tool Categories:
propulsion and energy : internal combustion engines : gas and gasoline engines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 12, 1891
Granted: Dec. 06, 1892

Patent Pictures:
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