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Combined Scrubber and Mop

Description: Patent for a combined mop and scrubber. The invention consists of a brush, mop, wringer, and water receptacle.
Date: July 1, 1913
Creator: Shaw, Horace G.
Partner: UNT Libraries Government Documents Department

Car-Replacer

Description: Patent for car replacer. It is an improvement to "what is called a 'frog' or a 'shoe'." The invention involves "two frogs or shoes which are used together" and are used "in such a way as to replace a car truck. . ." (Ledbetter)
Date: December 1, 1914
Creator: Ledbetter, Louis H.
Partner: UNT Libraries Government Documents Department

Antifriction-Bearing for Cutting Apparatus.

Description: Patent for a rotary cutting tool meant for corn harvesting that is more durable and efficient at cutting corn stalks than previously used stationary knives.
Date: February 1, 1916
Creator: Roten, Henry G. & Embry, William M.
Partner: UNT Libraries Government Documents Department

Automatic Automobile-Top.

Description: Patent for an improvement on automatic automobile-tops. The primary objective is that when in inoperative positions, the actuated drum neatly appears as a weather proof roll. Another objective is to provide side curtains so that the vehicle may be closed on all sides.
Date: October 1, 1918
Creator: Montroy, Phiip A.
Partner: UNT Libraries Government Documents Department

Auto Steering-Lock

Description: Patent for a lock designed to attach to the spokes of a steering wheel with the intention of guarding it from "unauthorized persons" (line 20), including illustrations.
Date: June 1, 1920
Creator: Cosby, Luther F.
Partner: UNT Libraries Government Documents Department

Automatic Electric Advertising Sign

Description: Patent for an electronic sign that works by a conveyor-belt like band printed with advertisements being rotated, allowing the owner to show many advertisements while saving space.
Date: July 1, 1919
Creator: Craig, Richard M.
Partner: UNT Libraries Government Documents Department

Boiler-Cleaner

Description: Patent for an appliance to clean boilers. Device remains in boiler and sucks dirt particles out.
Date: January 1, 1918
Creator: Cross, William G.
Partner: UNT Libraries Government Documents Department

Cereal Food and Process of Preparing the Same.

Description: Patent for improving cereal food processing by grinding corn and other grains into meal to convert starch into dextrin, and through drying grains to remove moisture and prevent fermentation (lines 17-23). Additionally, the processing will make the cereal appetizing and easily digestible.
Date: November 1, 1921
Creator: Kelly, Martha R.
Partner: UNT Libraries Government Documents Department

Chain-Lock.

Description: Patent for an improvement in chain-locks. The improvement locks one end of a log chain to a car so that it cannot be accidentally released.
Date: October 1, 1918
Creator: Clarkson, Jay Caleb.
Partner: UNT Libraries Government Documents Department

Ant Trap

Description: Patent for an ant trap designed as a ring-shaped trough and which allows for the drainage of rainwater through a pipe fitted with a porous plug. Both walls of the trough are capped with inward and downward curved flanges.
Date: August 1, 1922
Creator: Scrivner, Jefferson Davis
Partner: UNT Libraries Government Documents Department

Converting Reciprocating into Rotary Motion

Description: Patent for converting reciprocating into rotary motion by using “two vertically moving racks with a cog wheel on a small shaft between them which gears into the teeth of the racks” (lines 16-19), includes illustration.
Date: November 1, 1859
Creator: Harper, C. A.
Partner: UNT Libraries Government Documents Department

Automatic Turntable

Description: Patent for “a turn table of simple and durable structure adapted to be placed in the floor of a small garage or at other points, and which will automatically operate when an automobile is run upon the same to effect the complete turning of the automobile machine in order that the machine may enter the garage while traveling a forward direction and leave the garage in a similar manner” (lines 17-25). Includes illustrations.
Date: February 1, 1921
Creator: Sanders, Edwin J. & Morrison, John W.
Partner: UNT Libraries Government Documents Department

Automatic-Cut-Off

Description: Patent for an automatic cut-off part for a steam inlet pipe.
Date: March 1, 1921
Creator: La Bauve, William H.
Partner: UNT Libraries Government Documents Department

Can Opener

Description: Patent for a portable can opener capable of conveniently being carried on a key ring or attached to a tin or other container and sold with the tin as a part thereof. The can opener may be used repeatedly and employed with equally good results for opening either the side or top of a can.
Date: February 1, 1921
Creator: Kirkland, David K.
Partner: UNT Libraries Government Documents Department

Cement and Concrete Construction.

Description: Patent for improved, integrated construction materials system including, "reinforced cement, concrete or similar materials," air ventilation, lathing securing, and down spout construction, with instructions and illustrations.
Date: October 1, 1918
Creator: Parker, Barton J.
Partner: UNT Libraries Government Documents Department

Automobile-Tire.

Description: Patent for a device that provides a cushion to spring wheels.
Date: January 1, 1918
Creator: Dalwigk, Hermann
Partner: UNT Libraries Government Documents Department

Burner.

Description: Patent for improvements in burners to allow them to use liquid fuel such as oil.
Date: June 1, 1920
Creator: Placette, Joeseph G.
Partner: UNT Libraries Government Documents Department

Window-Sash Gearing and Lock

Description: Patent for a window sash mechanism that allows the upper and lower portions of a window to be adjusted and locked independently of each other.
Date: March 1, 1921
Creator: Peaden, William H.
Partner: UNT Libraries Government Documents Department

Yardstick Calculator.

Description: Patent for a new and useful yard stick calculator for linear measurement. Yard stick is use in connection with dry goods and or business where items are sold by linear measurement including instructions and illustrations.
Date: August 1, 1899
Creator: Praeger, Ewald
Partner: UNT Libraries Government Documents Department

Wire Stretcher

Description: Patent for a wire stretcher. Illustration included.
Date: December 1, 1903
Creator: Preston, Leonidas A.
Partner: UNT Libraries Government Documents Department

Wire-Stretcher.

Description: Patent for improvements in wire-stretchers by using a combination of winding-drum, a ratchet upon the drum and wire clutches for engagement with a wire to be stretched. Illustration is included.
Date: April 1, 1902
Creator: Walls, Joseph A. & Boyter, Robert L.
Partner: UNT Libraries Government Documents Department

Wire Stretcher

Description: Patent for a wire stretcher. Illustration included.
Date: January 1, 1907
Creator: Miller, Alexander & Leonard, George
Partner: UNT Libraries Government Documents Department

Yardstick-Calculator.

Description: Patent for "a calculating-yardstick adapted for use in connection with the dry goods or any other business in which goods are sold by linear measurement, the object in view being to provide, in connection with a linear measuring scale or rule, an indicating device provided with a plurality of price-scales having relation to the measuring-scale and adapted to indicate the price of a given length of an article at a given price per unit of measure, and also adapted to indicate the length of an art… more
Date: September 1, 1896
Creator: Praeger, Ewald
Partner: UNT Libraries Government Documents Department
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