UNT Libraries Government Documents Department - 723 Matching Results

Search Results

Vehicle Wheel

Description: Patent for a vehicle wheel. This invention is designed to keep dust and grit out of the axle point and nib. It has a wooden core sheathed in metal. Illustration included.
Date: April 19, 1904
Creator: Polk, James A.

Insect-Exterminator

Description: Patent for an insect exterminator to be transported to and used within crop fields which separates insects from plants by means of brushes and kills the insects by depositing them into a pan containing liquid insecticide. Exterminator also includes a sprayer to deliver insecticide onto crops. Exterminator is designed to be pulled by draft animals.
Date: April 17, 1906
Creator: Thompson, Everett Edward

Stove-Flue.

Description: Patent for a stove flue that is more secure in attachment, easier to clean, and is more fireproof to prevent burning of wood parts in the building that the flue is installed in.
Date: February 5, 1907
Creator: Thompson, Everett E.

Railroad-Switch.

Description: Patent for a pressure triggered railroad switch that attaches more easily to the tracks and automatically closes when the pressure of the railroad cars is taken off of it.
Date: March 12, 1907
Creator: Madeley, George E.
Back to Top of Screen