UNT Libraries Government Documents Department - 11 Matching Results

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Car-Coupling.

Description: Patent for "a simple, safe, and practical coupling for cars, arranged to couple at one time as many cars as may be desired, and to operate automatically so as to avoid all necessity of going between the cars, and adapted to use the ordinary link and to couple with cars having a higher or lower draw bar than itself." (Lines 7-14) Includes instructions and illustrations.
Date: December 25, 1894
Creator: Elliott, James W.
Item Type: Refine your search to only Patent

Ice-Making Apparatus.

Description: Patent for an ice maker that more effectively handles the chemicals used to freeze water. Use of a more strategically placed condenser keeps steam and liquids separate.
Date: March 25, 1879
Creator: Lee, Charles B.
Item Type: Refine your search to only Patent

Railroad Tie

Description: Patent for a railroad tie. This invention is made of concrete and allows rails to be attached without the need of spikes. Illustration included.
Date: July 25, 1905
Creator: Percival, Herbert E. & Key, Brewer W.
Item Type: Refine your search to only Patent

Vegetable Grater and Slicer.

Description: Patent for an improvement on vegetable graters or slicers. The design allows for more efficient cutting of the vegetables and allows for gravity to feed the vegetables through the slicer and avoiding injury to the operator. Included are instructions and illustrations.
Date: May 25, 1880
Creator: Weitzel, Jacob F.
Item Type: Refine your search to only Patent
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