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Device for Clearing Waste-Pipes.

Description: Patent for a device for clearing clogged waste pipes, which attaches to an air pump.
Date: July 19, 1910
Creator: Somerville, Robert A.
Partner: UNT Libraries Government Documents Department

Device for Capturing and Destroying Insects.

Description: Patent for "a new and original method of destroying the Mexican cotton-boll weevil (Anthonomus gradis boh) and other insects that damage cotton while growing &c., &c. (lines 5-8) including illustrations.
Date: June 8, 1897
Creator: Strouhal, Joseph
Partner: UNT Libraries Government Documents Department

Combination Tool.

Description: Patent for a new and improved multi-tool. This design "consists of a tool having a staple-holder, a driver, a chisel, a vise attachment, and a detachable driver adapted to be used with the vise to splice the ends of the wire in building wire fences, in which the tool is used for driving staples, cutting the wire, and splicing the wire, the several devices forming a combination-tool disposed for convenient use upon a stock or holder" (lines 9-17).
Date: March 3, 1885
Creator: Archer, Roger Williams
Partner: UNT Libraries Government Documents Department

Caterpillar-Tractor.

Description: Patent for 1) a mechanism preventing the Caterpillar tractor's driving element from becoming clogged with mud; 2) a mechanism to regulate the force put on the wheels in relation to the weight of the tractor's load; 3) a mechanism to allow this regulation of force in relation the weight of the tractor's load to be manually adjustable; 4) a construction improvement to allow the tractor to be turned in a relatively short radius, including illustrations.
Date: May 7, 1918
Creator: Rountree, Joseph G.
Partner: UNT Libraries Government Documents Department
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