UNT Libraries Government Documents Department - 8 Matching Results

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Automatic Firing Device for Explosive Shells.

Description: 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.

Net-Frame.

Description: Patent for a foldable and stable fishing net-frame.
Date: January 14, 1919
Creator: Franklin, Robert M.

Pump.

Description: 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

Shell.

Description: 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.

Spark-Plug

Description: Patent for improvement of spark-plugs, an automotive engine component.
Date: September 2, 1919
Creator: Hill, John L.

Speed-Operated Circuit-Closer.

Description: Patent for an alarm trigger or stopping device on belt driven grain elevators.
Date: July 3, 1919
Creator: Touchy, Frank Earl

Winch Attachment

Description: Patent for an improved automobile winch attachment.
Date: April 22, 1919
Creator: Bush, E. E.

Window-Shade-Operation-Lever.

Description: 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
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