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Improvement in Folding Store-Shelves.

Description: Patent for "a new and useful improvement in Folding and Portable Store-Shelving" (lines 3-5), including illustrations.
Date: February 9, 1875
Creator: Key, Minter P.
Partner: UNT Libraries Government Documents Department

Improvement in Saw-Mills

Description: Patent for an improvement in saw mills, with illustration.
Date: February 9, 1875
Creator: Linder, Charles
Partner: UNT Libraries Government Documents Department

Improvement in Screw-Propulsion.

Description: Patent for "a new and useful Improvement in Screw-Propellers and their adaptation to the hulls of vessels" (lines 4-6) including illustrations.
Date: November 9, 1875
Creator: Wilson, Joseph Erwin
Partner: UNT Libraries Government Documents Department

Improvement in Running-Gears for Wagons

Description: Patent for an improvement on running-gears for wagons.
Date: September 9, 1879
Creator: Gibson, William T.
Partner: UNT Libraries Government Documents Department

Improvement in Speed and Time Recorders.

Description: Patent for improvements in recording instruments to "document of all the movements of a locomotive while in charge of the engineer, to record any stoppages that may be made; the duration of such stoppages, and any backward motion of the locomotive at any point during the trip." (Lines 7-13) Illustration is included.
Date: September 9, 1879
Creator: Richardson, John D.
Partner: UNT Libraries Government Documents Department

Improvement in Fence-Post Sockets.

Description: Patent for improvement in fencing where posts are held more securely with galvanized plates, sockets, and wires.
Date: September 9, 1873
Creator: Durant, George W. & Durant, James B.
Partner: UNT Libraries Government Documents Department

Improvement In Percussion-Shells.

Description: This patent was created for individuals to be able to hit an object with the instrument and the oject immediately explodes on impact. It then produces an excessive amount of explosions. The invention is made out of shells with sections assembled together infused with different substances, and connected by a fuse.
Date: April 9, 1878
Creator: Urquhart, John M.
Partner: UNT Libraries Government Documents Department

Improvement In Fine-Proof Cotton-Lint Rooms.

Description: This patent is a receiver that is portable and provides a unique way of catching the lint that is ejected from a cotton-gin when in use. The portable receiver helps to prevent fires.
Date: April 9, 1878
Creator: Morrell, Zachariah N.
Partner: UNT Libraries Government Documents Department

Improvement in Eyeglasses.

Description: Patent for improvements to eyeglasses to accommodate facial differences.
Date: July 9, 1878
Creator: Hawkes, Albert K.
Partner: UNT Libraries Government Documents Department

Improvement in Electro-Magnetic Engines.

Description: Patent for "a new practical application of electro-magnetism to machinery for the purpose of moving the same and keeping it in motion, and developing a degree of force which is only limited by the reduced proportion of power applied. The invention consists principally in the transmission of electro-magnetic power through compressed air for motor purposes, and the mechanism and combination of machinery necessary for that purpose." (Lines 12-22) Includes instructions and illustrations.
Date: April 9, 1872
Creator: Thornton, William G.
Partner: UNT Libraries Government Documents Department

Wheeled Sectional Harrow.

Description: Patent for an improved wheeled section harrow with a simple construction that provides a way to raise and lower the harrow sections as needed, and improves construction of the truck carrying the harrow.
Date: July 9, 1918
Creator: Mize, William H.
Partner: UNT Libraries Government Documents Department

Wheel-Tire.

Description: Patent for improvement in automobile tires, resulting in more resilient tires that utilize internal spring coils that are encased in an elastic casing to protect against direct contact with the rubber tire.
Date: September 9, 1919
Creator: Dalwigk, Hermann
Partner: UNT Libraries Government Documents Department

Traffic Signal.

Description: Patent for an illuminated turn signal attached to the frame of a car. The signal is shaped like a hand and can be raised or lowered by a lever behind the steering wheel.
Date: May 9, 1922
Creator: Jones, Theodoric
Partner: UNT Libraries Government Documents Department

Traffic-Signal.

Description: Patent for a traffic signal designed especially for use while attached to an automobile, illustrations included. The device is intended to indicate the direction of proposed turning and travel of the vehicle via controls that are convenient to the vehicle operator.
Date: December 9, 1919
Creator: Wilke, Edward V.
Partner: UNT Libraries Government Documents Department

Transmission Mechanism.

Description: Patent for an improved transmission mechanism for changing speed of tractors and other machines, with illustrations. The improvement is in the arrangement and assembly of the component parts to improve efficiency and to provide several different forward speeds as well as a reverse speed.
Date: October 9, 1917
Creator: Ingram, Joseph D.
Partner: UNT Libraries Government Documents Department

Trap.

Description: Patent for an animal trap, the unique elements of which are found in the "combination and arrangement of parts" (lines 16-17). Improvements include but are not limited to the addition of an open-ended case, a depressed platform and various links.
Date: October 9, 1917
Creator: Ward, Robert Gillespie & Clayton, John Taylor
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel.

Description: Patent for a new and useful Vehicle-Wheel, "which is formed with a sectional felly, and embodies novel features of construction whereby the felly can be readily removed from position, or quickly assembled and expanded into a tight engagement with the rim, without the aid of a blacksmith or the necessity of using any special tools or appliances" (lines 14-21).
Date: October 9, 1917
Creator: Vogler, Frank Clampett
Partner: UNT Libraries Government Documents Department

Train Control System

Description: Patent for an improved train control system that will help to stop train movement when approached b another train or vehicle on tracks within a predetermined or dangerous distance. It is intended to cause a signal that will allow the train engineer to both opportunity and warning in time to apply brakes and stop. The design also enhances the utility and efficiency of the train control system.
Date: November 9, 1915
Creator: Smith, S. G.
Partner: UNT Libraries Government Documents Department

Tramper-Press

Description: Patent for a tramper press for pressing cotton into bales. Illustrations included.
Date: April 9, 1912
Creator: Wilson, Ralph E.
Partner: UNT Libraries Government Documents Department

Trapping Device.

Description: Patent for a fish trapping device.
Date: January 9, 1912
Creator: Rains, George M.
Partner: UNT Libraries Government Documents Department

Trap-Gun.

Description: Patent for a trap gun, which can be mounted on a post or in the ground.
Date: August 9, 1910
Creator: Lindsey, William Milton
Partner: UNT Libraries Government Documents Department

Water-Elevator

Description: Patent for a water elevator in which compressed air may be used to raise water from a well. Illustrations included.
Date: July 9, 1907
Creator: Martin, Edward G. & Hake, John Henry
Partner: UNT Libraries Government Documents Department

Warning Strip for Wire Fences.

Description: Patent for a new and improved warning strip for wire fences. This design "relates to warning-strips for wire fences designed as a visible signal to indicate the presence of the fence, and thus prevent cattle from running against the same and tearing themselves on the barbs" (lines 9-13).
Date: August 9, 1887
Creator: Cloud, William Johnston
Partner: UNT Libraries Government Documents Department
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