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US Patent: 305,452
Gas Engine
Patentees:
George M. Hopkins (exact or similar names) - Brooklyn, NY
I. Newton Hopkins (exact or similar names) - Brooklyn, NY

USPTO Classifications:
123/39

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Frank M. Clute
Herman C. Hagen
Henry F. Parker

Patent Dates:
Applied: Feb. 26, 1884
Granted: Sep. 23, 1884

Patent Pictures: [ 1 | 2 ]
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