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Mechanical Riding-Horse.

Description: Patent for mechanical riding horse that is designed for children to use. It's purpose is a toy that can be ridden and travelled on as a tricycle.
Date: January 25, 1921
Creator: Finley, David Guy
Partner: UNT Libraries Government Documents Department

Pipe-Wrench.

Description: Patent for the improvement of the pipe wrench for heavy construction. This invention was made to allow workers to use a variety of parts and arrangements depending on the type of pipe they are working with.
Date: January 4, 1921
Creator: Reed, Clarence E.
Partner: UNT Libraries Government Documents Department

Power-Hammer.

Description: Patent for a power hammer that can utilize any power source and only needs one person to operate it. The design also uses less parts, making it more affordable.
Date: December 13, 1921
Creator: Karlson, Eric Fritjof
Partner: UNT Libraries Government Documents Department
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