UNT Libraries Government Documents Department - 12 Matching Results

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Improvement in Car-Couplings.

Description: Patent for an "improvement in car-couplings; and it consists in the arrangement and combination of devices whereby the pin is supported in a raised condition; also in a spring-slide for holding up the link ready for coupling with another car." (lines 13-18)
Date: July 2, 1878
Creator: Gassaway, John H.
Item Type: Refine your search to only Patent

Improvement in Pumps.

Description: Patent for improvement in the means by which cotton plants are watered, protected from pesticides and fires. It provides for a mechanism by which poison and water may be more easily distributed to the plants.
Date: July 30, 1878
Creator: Helmecke, Friederich Andreas
Item Type: Refine your search to only Patent
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