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Tractor

Description: Patent for improvements to tractors which are designed with the driver's seat positioned on the trailing unit. The improvements allow for tools to be attached in such a way cultivating may be done near fences and other common obstructions.
Date: July 1, 1918
Creator: Chenoweth, William B.
Partner: UNT Libraries Government Documents Department

Elbow-Joint for Artificial Arms

Description: Patent for an elbow joint for artificial arms that can be manipulated by the wearer into any desired position.
Date: July 23, 1918
Creator: Corley, Quentin D.
Partner: UNT Libraries Government Documents Department

Elevator Signal System

Description: Patent for an elevator signal system that can be installed in elevators which indicates "the floor positions of all the cars as well as the car carrying the indicator" (lines 10-12), including illustrations.
Date: July 30, 1918
Creator: McNabb, Alvin C.
Partner: UNT Libraries Government Documents Department

Combined Desk and Map-Cabinet.

Description: Patent for a convertible writing desk that doubles as a cabinet for storing and displaying maps. Intended to allow multiple scrolled maps to be stored inside and easily displayed and retracted in classroom settings.
Date: July 16, 1918
Creator: Fanning, Samuel H.
Partner: UNT Libraries Government Documents Department
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