4 Matching Results
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Air Heating and Regulating Means for Internal Combustion Engines
Patent for a type of air heater designed to be attached to an internal combustion engine for the purposes of regulating heat.
Date:
February 18, 1919
Creator:
Brooks, Howard
System:
The Portal to Texas History
Flying Machine
Patent for a new type of flying machine.
Date:
February 18, 1919
Creator:
Critchett, J. C.
System:
The Portal to Texas History
Wind-Motor
Patent for a powerful motor for wind mills.
Date:
February 18, 1919
Creator:
Connolly, James H.
System:
The Portal to Texas History
Differential
Patent for improvements in motor vehicle differentials by connecting axle sections to a worm gear.
Date:
February 11, 1919
Creator:
Brown, Charles Henry
System:
The Portal to Texas History