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5 Matching Results
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Weather-Strip.
Patent for an improved door weather strip and stop. The device atuates to be both a door stop and a weather strip.
Date:
May 28, 1919
Creator:
Campbell, Thomas M.
System:
The Portal to Texas History
Steam Engine
Patent for an improved steam engine design.
Date:
May 27, 1919
Creator:
Edwards, James L.
System:
The Portal to Texas History
Refrigerating Apparatus
Patent for an improved refrigerating apparatus.
Date:
May 6, 1919
Creator:
Strange, P. A.
System:
The Portal to Texas History
Distant Control Switch Socket For Electric Lights
Patent for an improved electric light control switch design meant to decrease the rate of energy consumption.
Date:
May 13, 1919
Creator:
Davis, James Mattison
System:
The Portal to Texas History
Cutting and Stepping Machine
Patent for a cutting and stepping machine meant to replace a human cutter.
Date:
May 6, 1919
Creator:
Moore, L. R.
System:
The Portal to Texas History