UNT Libraries Government Documents Department - 7 Matching Results

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Washing Machine

Patent for an improved washing machine consisting of a wash-boiler into which one or more streams of hot water may be thrown.

Date: May 10, 1883

Creator: Caldwell, James S.

Item Type: Patent

Supporting Device for Umbrellas.

Patent for a wearable umbrella holder, which holds the umbrella on the back and over the person's head to allow their hands to be free.

Date: November 10, 1908

Creator: Cumpston, Frederick B.

Item Type: Patent

Cotton-Chopper

Patent for an improved type of cotton chopper that thins rows of plants on both flat and rough terrain. Includes illustrations and instructions.

Date: June 10, 1913

Creator: Hellums, Oscar S.

Item Type: Patent

Patent for an impeller pump with separate sections and parts that can be connected together. The line of pipe of can be withdrawn without removing the head, and there are measures to keep the liner in operative position. The patent includes instructions and illustrations.

Date: March 10, 1914

Creator: Johnston, Horace G.

Item Type: Patent