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Lateral-Wear Reducer for Locomotives.

Description: Patent for lateral wear reducer for locomotives that prevent or reduces wear on the train wheels.
Date: March 29, 1921
Creator: Paxton, Thomas
Partner: UNT Libraries Government Documents Department

Hydraulic Classifier.

Description: Patent for hydraulic classifier for the treatment of ore. The invention subjects settling solid particles to a secondary classification and prevent the contamination of the settling solids before they are discharged.
Date: March 21, 1922
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel Attachment.

Description: Patent for a vehicle-wheel attachment to prevent wheel from moving and vehicle theft.
Date: March 1, 1921
Creator: Rodriguez, Mariano Magdaleno
Partner: UNT Libraries Government Documents Department

Sprinkling Device

Description: Patent for a lawn sprinkling device composed of multiple pipes that are configured into one self-sufficient structure. The discharge nozzle is angular and can be adjusted to point in different lawn areas.
Date: March 29, 1921
Creator: Gomez, Blas
Partner: UNT Libraries Government Documents Department

Direction-Indicator.

Description: Patent for a new useful improved direction-indication that will allow an operator of an automobile to indicate to traffic in front and rear the direction in which the operator will make it's turn. The indicator will also indicate when a stop is contemplated.
Date: March 16, 1920
Creator: Gmelin, Ernst W.
Partner: UNT Libraries Government Documents Department

Thickener (Sewage Type).

Description: Patent for sewage thickener that relies on sewage solids to sink to the bottom of the sewer and fall into the thickener, in which the thickener will press the solid sewage into a pulp. The pulp will be pressed at a predetermined density, and then the pressed pulp will float to the top of the sewage to be removed. The separation of liquid and solid sewage was predicted to prevent overflow.
Date: March 11, 1920
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Building Construction

Description: Patent for building construction that is new and a useful improvement to sleeping porch construction.
Date: March 14, 1922
Creator: Trost, Henry Charles
Partner: UNT Libraries Government Documents Department

Automobile-Top.

Description: Patent for "new and useful improvements in Automobile-Tops." (lines 5-6) and is related to "tops of automobiles having two or more seats." (lines 9-10) includes illustrations.
Date: March 2, 1920
Creator: Stewart, Henry W.
Partner: UNT Libraries Government Documents Department

Contact-Shoe for Automatic Train-Stops.

Description: Patent for a new contact shoe, used in rail transport, attached to the train car to conduct automatic stops despite possible hazards through the use of magents and electricity, including illustrations .
Date: March 30, 1920
Creator: Bulla, Melbern Bernie
Partner: UNT Libraries Government Documents Department

Cleaning Device

Description: Patent for a cleaning tool that attaches to the windshields of automobile windows to clean snow, rain, and dust. It is operated from the interior of the car and can be easily attached and removed. Includes illustrations.
Date: March 29, 1921
Creator: Rivers, Charles A. & Stuart, Francis B.
Partner: UNT Libraries Government Documents Department
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