UNT Libraries Government Documents Department - 8 Matching Results

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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.
Item Type: Refine your search to only Patent

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
Item Type: Refine your search to only Patent
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