Paint. (open access)

Paint.

Patent for paints for roofs and for barns to prevent leaks and efficient in preserving the material of buildings at a relatively small costs.
Date: July 20, 1920
Creator: Watson, Grover C.
System: The Portal to Texas History
Sling-Shot. (open access)

Sling-Shot.

Patent for a sling shot that is more durable, efficient, and less likely to break. Includes instructions and one illustration.
Date: July 13, 1920
Creator: Jones, Ralph L.
System: The Portal to Texas History