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Mousetrap

Description: Patent for a mousetrap that is an improvement to the average mousetrap, but new in the sense that it can be made in various proportions or sizes for a variety of vermin.
Date: January 24, 1922
Creator: Spencer, Clarence E.
Partner: UNT Libraries Government Documents Department

Design for a Military Uniform.

Description: Patent for a new, original, and ornamental design for a military uniform.
Date: October 25, 1921
Creator: Meacham, Haskell K.
Partner: UNT Libraries Government Documents Department

Ice-Machine

Description: Patent for an icebox that can be combined with a refrigerator. The icebox will spray the ammonia compressor coil with water, as well as inducing a forced circulation of water in the icebox's freezing tank.
Date: May 22, 1920
Creator: Grant, Willburn C.
Partner: UNT Libraries Government Documents Department

Power-Driven-Implement Frame

Description: Patent for improvements in power driven implement frames, specifically in tractors, with illustrations.
Date: January 13, 1920
Creator: Armstrong, Ira
Partner: UNT Libraries Government Documents Department
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