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Internal Combustion Engine

Description: Patent for a improved Internal Combustion Engine. The improvement is the construction of the ignition of the internal combustion engine where the fuel in the compression chamber is ignited explosion of a different fuel of a more highly explosive nature.
Date: August 9, 1921
Creator: Simpson, Joseph Ryan.
Partner: UNT Libraries Government Documents Department

Harrow

Description: Patent for new and useful improvements in Harrows or cultivators that can be set to any height and any degree.
Date: August 9, 1921
Creator: McConal, Wiliam
Partner: UNT Libraries Government Documents Department

Rotary Well-Drilling Machine

Description: Patent for a rotary well-drilling machine that makes use of an "independently rotatable section" to aid in the screwing and unscrewing of pipe sections.
Date: August 9, 1921
Creator: Taylor, William Henry
Partner: UNT Libraries Government Documents Department

Cultivating-Hoe.

Description: Patent for cultivating hoe in which operating segment is adapted to be multifaceted and prevent becoming dull.
Date: August 9, 1921
Creator: Church, Ralph D.
Partner: UNT Libraries Government Documents Department

Bandage

Description: Patent for a bandage made of elastic material which includes a flap that can be fastened, or unfastened, and which acts as a holder for an absorbent material that can be replaced.
Date: August 9, 1921
Creator: Kirwan, Leah M.
Partner: UNT Libraries Government Documents Department

Automobile-Signal.

Description: Patent for a visual indicator signal for motor vehicles.
Date: August 9, 1921
Creator: Cobb, Albert C.
Partner: UNT Libraries Government Documents Department

Ditch-Filling Machine

Description: Patent for a Ditch-Filling Machine, focusing on improved operational efficiency and cost-effectiveness. The upgraded machine boasts user-friendly features, making it easily operable, while simultaneously reducing production costs in comparison to its predecessor.
Date: August 9, 1921
Creator: Witt, William C.
Partner: UNT Libraries Government Documents Department

Charcoal-Burning Apparatus.

Description: Patent for a durable, more efficient charcoal-burning device which yields higher quality product and in greater quantity than those existing at the time.
Date: August 9, 1921
Creator: McGee, William H.
Partner: UNT Libraries Government Documents Department

Automatically-Operated Gate and Door

Description: Patent for improvements on automatically opened doors and gates for vehicular passing. The improvements will allow the automatic opening of gates and doors without human attention or interference.
Date: April 9, 1921
Creator: Brown, George W.
Partner: UNT Libraries Government Documents Department

Wire-Stretcher

Description: Patent for a lever to use for maintenance and repairs. The lever can be used to fix wired fences and has interchangeable features.
Date: August 9, 1921
Creator: Frank, Fred
Partner: UNT Libraries Government Documents Department

Garment-Hanger.

Description: Patent for a garment hanger "for the support of outer garments...and which will also embody a rack for shoes, the hanger being so constructed that it will occupy a minimum amount of space..." also "to support a considerable weight without any likelihood of sagging or breakage...that the greater the weight imposed thereon, the more firm will be the connection between these parts" (lines 11-15, 21-28). It also includes an illustration.
Date: August 9, 1921
Creator: Fulford, Marcus F.
Partner: UNT Libraries Government Documents Department

Printing-Case

Description: Patent for a printing case which can hold a camera and other appliances for printing photographs. This printing case can also be compactly folded for easy carry and transportation.
Date: August 9, 1921
Creator: Kelly, Leo A.
Partner: UNT Libraries Government Documents Department

Bagging-Cutter

Description: Patent for a Bagging-Cutter in order to cut lengths of bagging in an efficient manner. An innovation this provides is in shaping the bags into a roll or rope-shape before being cut, which negates the use of a knife to cut a longer width. This improves ease of handling roles of bagging and requires a shorter fixed-place knife.
Date: August 9, 1921
Creator: Lively, Louis P.
Partner: UNT Libraries Government Documents Department

Game.

Description: Patent for a "a game of skill, rather than a game of chance" (lines 11-12), albeit with elements of a game of chance, in the style of a carnival game. The game consists of a motorized, revolving model airplane and a circular arrangement of nets (one for each player); the airplane drops candy into the winning player's net.
Date: August 9, 1921
Creator: Auffurth, Erwin, Jr. & Hjerpe, Erick
Partner: UNT Libraries Government Documents Department

Four-Wheel Drive Mechanism

Description: Patent for improvements toward four-wheel drive mechanisms. This includes adding a vertical and central drive to the front wheels so that they have the same speed rate as the back wheels.
Date: August 9, 1921
Creator: Smith, George W.
Partner: UNT Libraries Government Documents Department

Fountain-Pen Blotting Attachment.

Description: Patent for an attachment for fountain pens that would hold a roll of blotting paper or other ink absorbing material on a revolving stem to be used to remove extra ink from paper after using the fountain pen. The attachment is contained in a cap that is attached to the end of the fountain pen.
Date: August 9, 1921
Creator: Odom, Blaine W.
Partner: UNT Libraries Government Documents Department
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