Shell. (open access)

Shell.

Patent for improvements to explosive projectile shells. Provides a shell adapted to contain gas and high explosives with constructed multi-layered shells with the intent to inflict as much damage as possible.
Date: April 29, 1919
Creator: Aoughsten, Richard G. & Aoughsten, Otto L.
System: The Portal to Texas History
Net-Frame. (open access)

Net-Frame.

Patent for a foldable and stable fishing net-frame.
Date: January 14, 1919
Creator: Franklin, Robert M.
System: The Portal to Texas History
Automatic Firing Device for Explosive Shells. (open access)

Automatic Firing Device for Explosive Shells.

Patent for automatic firing device where "an explosive shell may be caused to travel any distance within the range of the shell through the air without exploding" (lines 14-17).
Date: January 7, 1919
Creator: McCombs, Orville K.
System: The Portal to Texas History
Winch Attachment (open access)

Winch Attachment

Patent for an improved automobile winch attachment.
Date: April 22, 1919
Creator: Bush, E. E.
System: The Portal to Texas History
Spark-Plug (open access)

Spark-Plug

Patent for improvement of spark-plugs, an automotive engine component.
Date: September 2, 1919
Creator: Hill, John L.
System: The Portal to Texas History
Window-Shade-Operation-Lever. (open access)

Window-Shade-Operation-Lever.

Patent for an invention that provides a simple and relatively inexpensive means for operating window shades without involving a spring roller.
Date: March 18, 1919
Creator: Lee, William
System: The Portal to Texas History
Speed-Operated Circuit-Closer. (open access)

Speed-Operated Circuit-Closer.

Patent for an alarm trigger or stopping device on belt driven grain elevators.
Date: July 3, 1919
Creator: Touchy, Frank Earl
System: The Portal to Texas History
Pump. (open access)

Pump.

Patent for an improvement in pumps and "has for its object the provision of a pump providing a counterbalance for the weight of the column of liquid in the suction pipe provided by a vacuum chamber in the pump" (lines 10-14). Illustration included.
Date: November 11, 1919
Creator: Haszinger, George Ernest
System: The Portal to Texas History