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3 Matching Results
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Four-Wheel Drive
Patent for a four-wheel drive with a combined central driving unit and differential that simplifies construction and improves efficiency in operation.
Date:
January 25, 1921
Creator:
Littlejohn, Lonzo B.
System:
The Portal to Texas History
Four Wheel Drive Mechanism
Patent for giving engine power equally to all four wheels of a vehicle.
Date:
February 25, 1919
Creator:
Littlejohn, Lonzo B.
System:
The Portal to Texas History
Hydrocarbon-Burner
Patent for a hydrocarbon burner. Illustrations included.
Date:
July 25, 1911
Creator:
Herpin, Edward Peter
System:
The Portal to Texas History