Collapsible Rim. (open access)

Collapsible Rim.

Patent for new and useful improvements related to demountable rims that are collapsible. This improvement facilitates the removal of a tire in an easier and expeditious manner.
Date: May 20, 1919
Creator: King, Willis C.
System: The Portal to Texas History
Dental Plate (open access)

Dental Plate

Patent for an improved dental plate design that fits better in the mouth of the user and allows for easier speaking and eating.
Date: May 20, 1919
Creator: Glaser, Adolph J.
System: The Portal to Texas History