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Vacuum-Operated Make-And-Break Spark Plug

Description: Patent for an improved "vacuum operated make and break spark plug" (lines 16-17) including illustrations.
Date: November 19, 1918
Creator: Irwin, Herbert G.
Partner: UNT Libraries Government Documents Department

Train Signaling And Stopping Device.

Description: Patent for Train Signaling And Stopping Device improvements intended to be of low cost, simple, durable, and run on electricity.
Date: October 19, 1920
Creator: McGregor, Charles Thomas
Partner: UNT Libraries Government Documents Department

Well -Bucket

Description: Patent for an improvement in well -buckets adapted for cleaning and drawing water from drilled wells.
Date: March 19, 1916
Creator: McKinnon, Thomas J.
Partner: UNT Libraries Government Documents Department

Trap.

Description: Patent for a star shaped fish or animal trap, which has spring triggered entry points that allow animals in but not out.
Date: January 19, 1909
Creator: Hendrix, Julius M.
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel.

Description: Patent for a vehicle wheel "which embodies a flexible tread and radially arranged springs for absorbing shocks and cushioning the yielding action of the parts of said tread" (lines 9-13).
Date: May 19, 1914
Creator: Anderson, Lycurgus
Partner: UNT Libraries Government Documents Department

Wheel Straightening Machine

Description: Patent for wheel straightening machine. This invention is designed for straightening light or heavy wagon wheels when the spokes become loosened and the wheel is excessively dished" (9-11). Illustration included.
Date: September 19, 1905
Creator: Mayse, Jordan Stewart
Partner: UNT Libraries Government Documents Department

Watch-Case Bow

Description: Patent for improvements in fastenings for bows of watch-cases.
Date: March 19, 1889
Creator: Cooper, Jonathan H.
Partner: UNT Libraries Government Documents Department

Trap.

Description: Patent for "a trap of the character mentioned simple and efficient means for closing the entrance thereof, whereby an animal or fowl passing therethrough shall be prevented returning, and thus be held in the trap, and, further, to so construct such means as to permit the door of the trap remaining in an open position except when the animal or fowl attempts to pass out through the same, thereby affording a free passage to the interior of the trap and presenting and inducement for other animals o… more
Date: January 19, 1897
Creator: Williams, Lloyd Franklin
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Ties.

Description: Patent for "a new buckle or tie for holding the ends of the bands of cotton-bales" (lines 18-19) including instructions and illustrations.
Date: December 19, 1871
Creator: Brown, Floyd G.
Partner: UNT Libraries Government Documents Department

Measuring Device

Description: Patent for measurement device, specifically for the measurement of the hem of a garment. Includes two small affixments that act as placemarkers of the measured number, allowing for the measurement of the hem, as well as the distance from the floor.
Date: September 19, 1916
Creator: Davis, Margaret L.
Partner: UNT Libraries Government Documents Department

Process of and Means for Producing Moving Pictures

Description: Patent for the fixture in whichs cells or images could be placed to make the showinf of a film easier, with supplemental drawings that give suggestion for storage and any additional usages.
Date: September 19, 1916
Creator: Sudmann, Charles L.
Partner: UNT Libraries Government Documents Department

Traction-Wheel

Description: Patent for a traction wheel with a removable gripping surface which will prevent the wheel from slipping on roads or slick surfaces.
Date: January 19, 1915
Creator: Biela, Valentine
Partner: UNT Libraries Government Documents Department

Improvement in Hand-Vises.

Description: Patent for hand vise to use as a tool for mechanics to hold small articles, can be attached to bits or augers for gauging the depth of a hole bored, and also for countersinking such holes for screws.
Date: November 19, 1872
Creator: Overton, Thomas
Partner: UNT Libraries Government Documents Department

Improvement in Plow-Couplings.

Description: Patent for a new and useful Improvement in Plow-Coupling including illustration.
Date: August 19, 1873
Creator: Thrasher, Thomas L.
Partner: UNT Libraries Government Documents Department

Improvement in Insect-Destroying Compounds.

Description: Patent for "a mixture of the arseniate of soda and water, or arseniate of soda, dextrine, and water, prepared in certain proportions of the respective ingredients, for the purpose of destroying cotton-worms." (Lines 7-12) Includes instructions and illustrations.
Date: May 19, 1874
Creator: Braman, John D.
Partner: UNT Libraries Government Documents Department

Improvement in Plow and Seeder.

Description: Patent for a plow and seeder that has an added "rotating flanged drum composed of two perforated cylinders" (lines 10-11) including a detailed explanation and description of the illustration.
Date: February 19, 1878
Creator: Elliott, Pinkney H.
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

Improvement In Churns

Description: Patent for improvements in the construction of a churn dasher. Descriptions and illustrations are attached
Date: August 19, 1879
Creator: Davis, Henry T.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton and Hay Presses

Description: Patent for an improved cotton and hay press that "... provides an economical and powerful press for cotton, hay, rags, &c., that may be worked by hand, horse, or steam power, in field, farm or factory." (lines 12-15) Includes description and illustration.
Date: August 19, 1879
Creator: Rossell, John
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Gins.

Description: Patent for the improvement of the cotton-gin by the arrangement of two cylindrical brushes and rollers to reduce damaging the staple of the cotton, illustrations included.
Date: April 19, 1859
Creator: Gottheil, Edward
Partner: UNT Libraries Government Documents Department

Steam-Engine.

Description: Patent for "a high-speed rotary engine wherein the steam-impelled wheel shall revolve in a horizontal plane within an upright open cylinder." (Lines 10-13) Includes instructions and illustrations.
Date: January 19, 1897
Creator: Slaughter, Joel C.
Partner: UNT Libraries Government Documents Department

Hydraulic Motor

Description: Patent for a hydraulic motor. Illustration included.
Date: October 19, 1909
Creator: Schaefer, Herbert Clyde
Partner: UNT Libraries Government Documents Department

Stand and Rack for Exhibiting Goods.

Description: Patent for a new and improved display rack and stand. This design "is to provide a novelty rack for displaying or exhibiting fancy goods, wearing-apparel, hats, bonnets, and other articles; and to such end the invention consists of a standard suitably supported by a base-piece, a collar or ring, and a series of arms sustained by the collar or ring, with their inner arms resting in frictional contact with the surface and the stand, the collar or ring being of such diameter as to stand at a dista… more
Date: June 19, 1883
Creator: Richards, Augustus, Sr.
Partner: UNT Libraries Government Documents Department
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