UNT Libraries Government Documents Department - 7 Matching Results

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Life Boat

Description: Patent for life boats to use for large passenger ships, cruise and other boats that can be installed at the sides of the ships for easy access during evacuation.
Date: July 15, 1913
Creator: Sargeant, Benjamin F.
Item Type: Refine your search to only Patent

Pump-Jack.

Description: Patent for improvements to pump jacks. Simple gravity actuated devices are provided to aid the power mechanism of the pump jack, resulting in smoother, more even operation.
Date: July 15, 1919
Creator: Dayton, William L.
Item Type: Refine your search to only Patent
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