UNT Libraries Government Documents Department - 7 Matching Results

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Car-Coupling.

Description: Patent for the invention of new and useful improvement to car-couplings. "This invention is an improved car coupling seeking among other improvements to provide simple, easily operated devices by which the cars may automatically couple..." (lines 7-10) Including instructions and illustrations.
Date: December 27, 1892
Creator: Vogt, August G.
Item Type: Refine your search to only Patent

Neck-Yoke.

Description: Patent for "a safety attachment for neck yokes which, if the neck yoke or the straps which connect it to the pole or to the collars break, will come into action and prevent the pole from dropping" (lines 8-13).
Date: July 24, 1894
Creator: Hobron, Charles B.
Item Type: Refine your search to only Patent

Tool for Sinking Wells.

Description: Patent for improvements in tools for sinking artesian wells, that the tool “will perform its duty under all circumstance and excavate as well in hard materials as in soft earth, as quicksand and cavey formations, and will not have its functions interfered with when an insufficient flow of water is encountered.” (Lines 17-22) Illustration is included.
Date: June 16, 1891
Creator: Stephenson, James D.
Item Type: Refine your search to only Patent
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