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Motorcycle-Stand.
Patent for a motorcycle stand that can be released manually through a lever near the saddle to lock the stand into place until the operator unlocks it.
Date:
July 21, 1921
Creator:
Swenson, Carl J.
System:
The Portal to Texas History
Traffic Signal System
Patent for a Traffic Signal System for universal traffic management, i.e. automobiles, pedestrians, railway, street car, etc. The system has a warning signal to indicate danger and designate a safety zone. This system provides an audible as well as visual signal.
Date:
July 21, 1921
Creator:
Wetter, R.E.
System:
The Portal to Texas History