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Finger-Guard for Children. (open access)

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 (open access)

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