Resource Type
Counties
3 Matching Results
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Airship
Patent for an airshape. This invention is of a helicopter design. Illustration included.
Date:
January 21, 1913
Creator:
Darche, James
System:
The Portal to Texas History
Combined Soap-Drainer and Brush
Patent for a brush which can be used as a soap receptacle when laid flat on its back. In this position, it also allows the brush bristles to drain.
Date:
January 19, 1915
Creator:
Tijou, Lincoln
System:
The Portal to Texas History
Aerocompass.
Patent for an aerocompass, which improves upon a compass combined with inclinometers or map-boards. It is intended for use on submarines, airplanes, or in an area when it would be difficult to use a regular compass.
Date:
January 8, 1918
Creator:
Fischer, Fred Charlie.
System:
The Portal to Texas History