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US Patent: 300,661
Gas Motor Engine
Patentees:
Niles Hibbard Thompson - Washington, DC
Henry C. Swan - Washington, DC

USPTO Classifications:
123/143C, 123/434, 123/68, 123/70R

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

Assignees:
Niles Hibbard Thompson - Washington, DC

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 08, 1884
Granted: Jun. 17, 1884

Patent Pictures:
USPTO pdf tiff
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