Adjustable Window-Shade Support. (open access)

Adjustable Window-Shade Support.

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.
System: The Portal to Texas History
Cotton-Harvester (open access)

Cotton-Harvester

Patent for improvements in construction and arrangement of machines that harvest cotton.
Date: July 2, 1889
Creator: Cunningham, James Franklin, Sr.
System: The Portal to Texas History
Swingletree (open access)

Swingletree

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.
System: The Portal to Texas History