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Can-Opener.

Description: Patent for new and useful improvements for can openers. The principal purpose is to provide means for opening round cans of different sizes and also square cans.
Date: November 16, 1920
Creator: Adels, Rebecca Valencia.
Partner: UNT Libraries Government Documents Department

Salad Dressing

Description: Patent for improving salad dressing. This salad dressing has high quality ingredients to go with any salad.
Date: November 20, 1923
Creator: Scholl, William H. & Scholl, Barney
Partner: UNT Libraries Government Documents Department

Tie-Buckle.

Description: Patent for the improvement of tie buckles, specifically for bales of cotton at cotton gins. The paten includes an illustration of the tie buckle, explanations on how to easily use it, and why it is useful for cotton farming.
Date: January 11, 1921
Creator: Wallace, William M.
Partner: UNT Libraries Government Documents Department

Aeroplane.

Description: Patent for aeroplane construction to include improvements to air motor protection to minimize resistance and the use of air cups to direct the full force of air to the motor shaft, including illustrations.
Date: November 15, 1921
Creator: Smith, Joseph A.
Partner: UNT Libraries Government Documents Department

Washboiler

Description: Patent for improved Washboilers. The improvements provides a more efficient circulation of water to insure the proper cleaning of fabrics and prevent damage of the fabric.
Date: February 22, 1921
Creator: Patterson, Thomas Allison.
Partner: UNT Libraries Government Documents Department

Billboard

Description: Patent for billboards built for wind resistance.
Date: November 28, 1922
Creator: Kelly, Walter
Partner: UNT Libraries Government Documents Department

Tractor.

Description: Patent for new and improved tractors on farms that are capable of pulling plows, cultivators, seed planters and other similar types of devices.
Date: October 5, 1920
Creator: Lindner, Hans
Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for a plow which plows two furrows simultaneously. An axle is mounted on wheels, and the two adjustable plow beams pivot from the axle so that furrow depth and the width between furrows can be adjusted. Patent includes illustrations.
Date: November 30, 1920
Creator: Henderson, Warren H.
Partner: UNT Libraries Government Documents Department

Pipe-Painting Machine

Description: Patent for pipe-painting machine. The invention details improvements in devices for painting pipes or "other elongated substantially cylindrical objects". The object was designed to create minimal waste when operating the device.
Date: February 15, 1921
Creator: McNulty, Charlie A.
Partner: UNT Libraries Government Documents Department

Huller

Description: Patent for hullers for removing hulls of shells for seeds or other similar products. The invention "is of especial utility in hullers for cottons seeds." However, it is noted that a cotton seed huller is only one adaptation of the invention.
Date: December 21, 1920
Creator: Vardell, Arthur A. & Highland Gee Vardell
Partner: UNT Libraries Government Documents Department

Mouse and Rat Poisoner.

Description: Patent for mouse and rat poison. This is a device meant for mice and rats that has bait for the purpose of poisoning these animals. This device prevents access from other animals.
Date: October 11, 1921
Creator: Vaden, Willie T., Jr.
Partner: UNT Libraries Government Documents Department

Toy Aeroplane.

Description: Patent for a new and improved toy airplane to be propelled by the feet and steered by the child seated inside, including illustrations. It "is relatively simple and inexpensive to produce, while also being able to withstand considerable rough handling" (lines 26-28).
Date: March 15, 1921
Creator: Paul, Leon R.
Partner: UNT Libraries Government Documents Department

Automobile Signal

Description: Patent for the creation of signals to be used in conjunction with automobiles during traffic.
Date: February 22, 1921
Creator: Ziegenbalg, Emil
Partner: UNT Libraries Government Documents Department

Pump-Valve

Description: Patent for improvements in a pump valve. Designed to be used in pumping wells, particularly oil wells (Line 11).
Date: January 18, 1921
Creator: Sandlin, James W.
Partner: UNT Libraries Government Documents Department

Book-Holding Device

Description: Patent for a book-holding device that will keep books open by holding back turned pages, with illustrations.
Date: April 20, 1920
Creator: Barry, David Redmond
Partner: UNT Libraries Government Documents Department

Price-Tag Holder.

Description: Patent for "an improvement in price tag holders" (lines 9-10) such that the price tag holder is connected to a garment hanger, including one illustration.
Date: August 30, 1921
Creator: Newton, Andre Hutt
Partner: UNT Libraries Government Documents Department

Thread-Cutter.

Description: Patent for "a simple and efficient thread or twine cutter which may be conveniently worn in the manner of a finger ring when in use, or may be applied or attached to the usual type of thimble for use." (lines 13-17) This invention can "be inexpensively stamped from sheet metal." (lines 21-22)
Date: February 3, 1920
Creator: Cade, King C.
Partner: UNT Libraries Government Documents Department

Universal Household Grater.

Description: Patent for a new universal grater which eliminates the risk of injury the user may gain from grating materials.
Date: April 4, 1922
Creator: Lambdin, William McKendree
Partner: UNT Libraries Government Documents Department

Automobile-Fender

Description: Patent for improvements in automobile-fenders. A simple and efficient cushioning fender for breaking.
Date: April 19, 1921
Creator: Dodson, George W.
Partner: UNT Libraries Government Documents Department

Map Hanger

Description: Patent for improvements in map hangers. The purpose is to provide a map exhibiting hanger to use in support for a plurality of maps, particularly maps that have information on the back.
Date: January 31, 1922
Creator: Chunn, Richard M.
Partner: UNT Libraries Government Documents Department

Toupee and Wig Retainer

Description: A patent for a single-sided adhesive that holds a toupee or wig in place on the scalp without causing built-up residue to adhere to the wig.
Date: May 17, 1921
Creator: Tapscott, John Christoper
Partner: UNT Libraries Government Documents Department

Fire-Extinguishing Device.

Description: Patent for fire extinguishing devices to "supplying steam to the fluid so that oxygen sufficient to support combustion will not reach the flame" (lines 14-16).
Date: July 6, 1920
Creator: Byrd, Williman Harvey
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
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