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Truck.
Patent for an improved truck in which the load can be moved to be easily loaded or unloaded by one person, including illustrations.
Date:
April 19, 1921
Creator:
Ortgier, Walter C.
System:
The Portal to Texas History
Refrigerator
Patent for a refrigerator made of wood with an inner shell of reinforced concrete and vacuum chamber or metal jacket. "The inner concrete shell is divided into four separate chambers, the former containing ice and the other three being adapted to contain food." (lines 61-64)
Date:
April 11, 1922
Creator:
Knutson, William K.
System:
The Portal to Texas History