UNT Libraries Government Documents Department - 4 Matching Results

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Grease-Trap.

Description: Patent for a grease trap "in which the grease is designed to be removed from the trap automatically and the object of my invention is to cause the water passing through the trap to carry the grease out with it" (lines 8-12).
Date: March 19, 1895
Creator: Henderson, Thomas
Item Type: Refine your search to only Patent

Improvement in Collars.

Description: Patent for a device improving the speed and efficiency of shirt collar fastening, as well as the securing of items such as scarves and ties, including illustrations.
Date: April 6, 1876
Creator: Mitchell, Frank G. & Saunders, William J.
Item Type: Refine your search to only Patent
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