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Swingletree

Description: Patent for a swingletree that equalizes the strain of the draft animal when the traces are connected in an irregular manner.
Date: July 20, 1920
Creator: Bosse, William F.
Partner: UNT Libraries Government Documents Department

Cotton-Harvester

Description: Patent for improvements in construction and arrangement of machines that harvest cotton.
Date: July 2, 1889
Creator: Cunningham, James Franklin, Sr.
Partner: UNT Libraries Government Documents Department

Adjustable Window-Shade Support.

Description: Patent for an adjustable window shade support that can readily attach a shade to a window frame and the roller can be adjusted to any desired location or elevation.
Date: July 9, 1918
Creator: Simmons, Oscar C.
Partner: UNT Libraries Government Documents Department
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