UNT Libraries Government Documents Department - 2 Matching Results
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- Spring-Wheel.
- Patent for a steel wheel with springs for automobiles that reduces jarring, is affordable, and does not get damaged as easily as the pneumatic tires previously in use on automobiles.
- System of Subirrigation.
- Patent for the improvement of a subirrigation system, which allows the prevention of the pipes being choked by pipes through the use of coiled pipes.