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Valve

Description: Patent for valves which are of a better construction to prevent leakage.
Date: July 14, 1914
Creator: Bird, John M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rail-Joint.

Description: Patent for the "improvements in rail joints, the object being to so construct and arrange the meeting ends of two railway rails as to provide interlocking members..." (lines 8-12). The patent includes specifications and illustrations.
Date: April 14, 1914
Creator: Evans, James B., Sr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Animal-Trap

Description: Patent for an animal trap whose specially designed cylinders play a crucial role in tiring the animal while it is struggling to escape the trap doors Ultimately, succumbing to exhaustion and hastening its drowning in the trap's water reservoir.
Date: January 14, 1913
Creator: Link, William A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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