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Finger-Guard for Children.
Patent for a finger guard to keep children from sucking on their fingers. The device is also easy to construct and inexpensive to manufacture.
Date:
October 28, 1919
Creator:
Cade, William H.
System:
The Portal to Texas History
Combined Water Gage and Recorder
Patent for a combined gage and recorder meant to measure the water used in steam generators.
Date:
April 15, 1919
Creator:
Holland, J. M.
System:
The Portal to Texas History