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US Patent: 620,554
Air and Gas Engine
Patentee:
John W. Eisenhuth (exact or similar names) - New York, NY

USPTO Classifications:
123/151, 123/188.1, 123/61V, 123/63, 123/70R, 123/83, 60/616, 92/165R

Tool Categories:
propulsion and energy : internal combustion engines : gas and gasoline engines
propulsion and energy : air motors and turbines

Assignees:
Ella V. Eisenhuth - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 16, 1897
Granted: Feb. 28, 1899

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
Description:
Claim:

My invention relates to improvements in air and gas engines, and more particularly to that class of engines which are adapted to use mixtures of air and gas or oils to operate a piston and also adapted to use compressed air for operating a piston.

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