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Concentrating Apparatus.

Description: Patent for "an apparatus for use in the manufacture of sulphuric acid and the like." (lines 8-10) including instructions and illustrations.
Date: January 16, 1923
Creator: Lansdale, Ludwell D.
Partner: UNT Libraries Government Documents Department

Folding Table

Description: Patent for a folding table that is compact and portable and which contains folding mechanisms that can be used to expand the surface area of the table while the structure remains stable, with illustrations.
Date: October 10, 1922
Creator: Musselman, Thomas H.
Partner: UNT Libraries Government Documents Department

Barn-Door Lock

Description: Patent for a barn-door lock that "consists in certain novel features of construction, combination and arrangement of parts" (lines 34-37) and "which shall be simple, durable and efficient, and which may be manufactured and sold at a comparatively low cast" (lines 29-31).
Date: 191X
Creator: Henrichsen, F.R.
Partner: UNT Libraries Government Documents Department

Bale-Tie.

Description: Patent for a new bale tie made from metal, with "integral interlocking terminal portions" (lines 25-26), including instructions and illustration. The bale tie is "strong in character, constructed at small cost, of a minimum number of parts, and capable of easy and expeditious manipulation" (lines 18-21).
Date: July 11, 1916
Creator: O'Riordan, John Eldridge
Partner: UNT Libraries Government Documents Department

Stock Food.

Description: Patent for inexpensive stock food that can be perfectly rationed, useful for feeding cattle and hogs, and useful for building up working stock.
Date: March 10, 1914
Creator: Eldridge, T. William
Partner: UNT Libraries Government Documents Department

Loading-Machine

Description: Patent for a new and improved cantilevered arm to load hay and other materials onto wagons and other vehicles.
Date: October 22, 1918
Creator: Senior, Oliver
Partner: UNT Libraries Government Documents Department

Improvement in Wash-Boilers.

Description: Patent for "a new and valuable Improvement in Wash-Boilers" (lines 4-5) including illustrations.
Date: September 28, 1875
Creator: Mackli, Frank
Partner: UNT Libraries Government Documents Department

Improvement in Running-Gears for Wagons.

Description: Patent for an improvement to running-gears for wagons, including "improved means for connecting the front axle and reach of a wagon or other vehicle" (lines 6-8) and illustrations.
Date: July 15, 1879
Creator: Fowler, Joseph C.
Partner: UNT Libraries Government Documents Department

Improvement in Compounds for Destroying Worms in the Cotton-Plant.

Description: Patent for a method of "destruction of the cotton-worm, and this object is accomplished by sprinkling the plants on which the worm feeds with a solution of arsenic in water." (Lines 8-12) Includes instructions.
Date: June 30, 1874
Creator: Mitchell, Thomas W.
Partner: UNT Libraries Government Documents Department

Improvement in Hoes.

Description: Patent for an improved, lightweight hoe with beveled blades used for "weeding cotton and other plants" (lines 13-14) and cutting grass without damaging the stalks, including a detailed explanation and description of the illustration.
Date: March 19, 1878
Creator: Eggleston, Walter H.
Partner: UNT Libraries Government Documents Department

Process of Extracting Cotton-Seed Oil.

Description: Patent for the process of extracting cotton-seed oil from cotton-seed meal with a hydrocarbon such as kerosene and making the hydrocarbon reusable in the process by producing a cotton-seed oil soap through adding caustic soda to the mixture of cotton seed meal and hydrocarbon.
Date: May 14, 1907
Creator: Bird, Maurice
Partner: UNT Libraries Government Documents Department

Synthetic Adhesive Gum.

Description: Patent for certain new and useful improvements in the production of synthetic adhesive gums, including instructions and illustrations.
Date: November 14, 1899
Creator: Cunningham, Edward B. & Thele, Felix C.
Partner: UNT Libraries Government Documents Department

Nut and Bolt Wrench.

Description: Patent for a new and improved wrench. This design consists in "a wrench-head having a handle and a longitudinal slot through the wrench-head, a slidable bar having a jaw moving in said slot, a rack upon said bar, a worm-wheel in the wrench-head, meshing with the rack, and a jaw upon the wrench-head, jointly with a screw-driver inserted in the end of the slidable bar, said wrench-head having a plane outer surrounding surface in proximity to the longitudinal slot" (lines 1-10).
Date: August 23, 1892
Creator: Hoval, John
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for improvements in plows used for agricultural purposes with an illustration. This improvement in design is specific to "provid[ing] a plow capable of being adjusted to cause engagement thereof with the earth at varying depths" (lines 10-12).
Date: June 24, 1919
Creator: Marshall, Andrew Jackson
Partner: UNT Libraries Government Documents Department

Sash-Fastener.

Description: Patent for an improved window sash fastener that will "enable others skilled in the art to which it appertains to make and use" (lines 9-11), including illustrations.
Date: April 18, 1916
Creator: Crandell, Frederick N.
Partner: UNT Libraries Government Documents Department

Running-Gear for Wagons

Description: Patent for a new and improved wagon coupling. The invention is related to "king-bolts and coupling devices that connect the forward axle of wagons, carriages, and other vehicles." (lines 8-9)
Date: July 13, 1880
Creator: Fowler, Joseph C.
Partner: UNT Libraries Government Documents Department

Dental Bite-Tray.

Description: Patent for a bite tray usable for an array of mouth sizes. The material provides better comfort in the mouth of the patient, as well as better comfort for the operator.
Date: March 30, 1915
Creator: Sanders, Mastin E.
Partner: UNT Libraries Government Documents Department

Gate.

Description: Patent for an improved farm gate that pivots in its center and can be swung in either direction. It is operated by a pull chord and levers. The pull chords are set on posts on either side of the gate, each side having two chords in order to open the gate in either direction. The posts also act as a brace to stop the gate from swinging further.
Date: December 26, 1893
Creator: Mulcahy, Richard T.
Partner: UNT Libraries Government Documents Department

Emergency-Tire.

Description: Patent for improvements in emergency tires to provide "an improved emergency tire adapted to be quickly and easily applied to the auto rim in the emergency arising by reason of the regular tire being incapacitated by a "blow-out" or other cause." (lines 12-16)
Date: May 25, 1920
Creator: Shannon, Harris Moore
Partner: UNT Libraries Government Documents Department

Fence-Stay.

Description: Patent for fence stays which have "novel and improved means for effectively bracing and spacing the wires of a fence." The invention "will possess advantages in points of efficiency and durability, is inexpensive to manufacture, and at the same time, is simple in construction and operation."
Date: April 20, 1915
Creator: Benson, Autha C. & Benson, A. C.
Partner: UNT Libraries Government Documents Department

End Gate Fastener.

Description: Patent for a new and improved end-gate fastener. This design "consists in the hook-ended lever-buckle . . . for drawing up and fastening the ends of chains used on presses, wagons, and other places where a simple and convenient device that can be readily and quickly operated is needed" (lines 8-13).
Date: March 17, 1885
Creator: Swenson, Bengt. J.
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "consists in the construction and combination of the parts . . . the object of [the] invention being to provide a car-coupler which will automatically couple the cars to each other without the use of links or pins, and which is provided with means whereby the car can be uncoupled from the top of the car" (lines 17-25).
Date: February 10, 1885
Creator: Neal, Adam S.
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists "in combination with the jaws . . . which are arranged to move laterally and simultaneously . . . each having two side hooks combined with the bar and springs . . . the levers, shaft, pulleys, and the chains which pass over the pulleys and connect the rollers with the jaws" (lines 86-96).
Date: March 8, 1887
Creator: Neal, Adam Sylvester
Partner: UNT Libraries Government Documents Department
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