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Pump.

Description: Patent for an improved pump valve designed for a pump for pumping oil from oil wells "which will not be affected by the fluid or gas pressure in the bore" (lines 17-18).
Date: September 30, 1919
Creator: Graf, Sydney H.
Partner: UNT Libraries Government Documents Department

Dry Closet.

Description: Patent for improvements in dry closets with an illustration. The improvements patented are specific to separating "fecal matter and urine" (line 15).
Date: July 15, 1919
Creator: Moore, Joseph B.
Partner: UNT Libraries Government Documents Department

Collapsible Rim.

Description: 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.
Partner: UNT Libraries Government Documents Department

Attachment for Motor-Vehicles

Description: Patent for an attachment for motor vehicles, specifically for Ford cars but compatible with any car, where the attachment prevents the reverse movement of the car's crank.
Date: August 12, 1919
Creator: Daniel, Ulysses S.
Partner: UNT Libraries Government Documents Department
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