Resource Type
States
Counties
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Wheel-Tire.
Patent for improvement in automobile tires, resulting in more resilient tires that utilize internal spring coils that are encased in an elastic casing to protect against direct contact with the rubber tire.
Date:
September 9, 1919
Creator:
Dalwigk, Hermann
System:
The Portal to Texas History
Traffic-Signal.
Patent for a traffic signal designed especially for use while attached to an automobile, illustrations included. The device is intended to indicate the direction of proposed turning and travel of the vehicle via controls that are convenient to the vehicle operator.
Date:
December 9, 1919
Creator:
Wilke, Edward V.
System:
The Portal to Texas History
Boiler Skimmer or Cleaner
Patent for improvements for a boiler skimmer or cleaner with suitable valves to control the blowing off from scum, steam or water.
Date:
September 9, 1919
Creator:
Phillips, Eugene N. & Dick, Harvey H.
System:
The Portal to Texas History