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Valve.

Description: Patent for an improvement in the function and use of a valve which gets rid of the wire usually used to raise tank valves. Getting rid of this wire allows for easier drainage.
Date: January 20, 1914
Creator: Axtell, Fred W.
Partner: UNT Libraries Government Documents Department

Combined Socket and Switch for Electric Lights

Description: Patent for a combined socket and switch for electric lights that allows different bulbs of a chandelier to be turned on separately.
Date: August 20, 1912
Creator: Bailey, Douglas A.
Partner: UNT Libraries Government Documents Department

Plow Frame

Description: Patent for a plow frame "to which may be attached plow bottoms or cultivator beams" (lines 11-12).
Date: February 20, 1912
Creator: Brown, Bartley
Partner: UNT Libraries Government Documents Department

Mold for Making Burial-Vaults.

Description: Patent for a mold for making burial vaults, which is easily removed from the finished product and allows for easy transport of the vault.
Date: October 20, 1908
Creator: Cass, Thomas M.
Partner: UNT Libraries Government Documents Department

Cooking Utensil.

Description: Patent for an improved steam-cooker in which different kinds of food can be simultaneously cooked in separate containers. Individual cooking vessels are removable from the steam-cooker.
Date: November 20, 1906
Creator: Daniels, Laura E.
Partner: UNT Libraries Government Documents Department

Combination Drafting-Instrument.

Description: Patent for a combination drafting-instrument that is "carried about the person and serve as a combined pencil-holder and drafting tool and when used in the latter capacity to serve the functions of a divider, a square, a compass, and a caliper for either inside or outside gaging" (lines 10-15).
Date: February 20, 1894
Creator: Deats, George W.
Partner: UNT Libraries Government Documents Department

Step for Railway Cars and the Like

Description: Patent for extendable step for railway cars, and the like.
Date: March 20, 1917
Creator: Dixon, John M.
Partner: UNT Libraries Government Documents Department

Building-Block Construction.

Description: Patent for concrete blocks used for construction, including illustrations.
Date: July 20, 1915
Creator: Gray, Frank
Partner: UNT Libraries Government Documents Department

Cotton-Picker.

Description: Patent for an electric motor operated cotton picker, which is worn on the body and sucks the cotton bolls through a nozzle into a bag.
Date: April 20, 1909
Creator: Gray, Sidney J.
Partner: UNT Libraries Government Documents Department

Air-Compressor.

Description: Patent for "new and useful improvements for air-compressors" (lines 5-6), with instructions and illustrations.
Date: July 20, 1886
Creator: Harrold, Mahlon
Partner: UNT Libraries Government Documents Department

Sash Balance and Lock

Description: Patent for a sash balance and lock made to "simplify and improve the construction and operation of windows" (lines 13-14) by the use of a self-locking system.
Date: August 20, 1907
Creator: Hill, Ulysses H.
Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator

Description: Patent for an acetylene gas generator. Illustration included.
Date: December 20, 1904
Creator: Lewis, Thomas E.
Partner: UNT Libraries Government Documents Department

Tire-Shoe.

Description: Patent for a device that fits "pneumatic tires for automobiles" (lines 8-9) in order to "prevent the slipping of a pneumatic tired wheel in snow, ice, mud, sand, or the like." (lines 10-12).
Date: July 20, 1915
Creator: McCall, Jacob Capshaw
Partner: UNT Libraries Government Documents Department

Antikicking Device for Automobiles.

Description: Patent for a device that catches the crank of hand crank automobiles which were typical of the early 1900s in the United States of America. The invention addresses controlling the motion of the crank and preventing the crank from causing injury.
Date: March 20, 1917
Creator: Miller, Herman P.
Partner: UNT Libraries Government Documents Department

Molding Apparatus

Description: Patent for an improved model of a molding apparatus for producing blocks of concrete that is cheaper to manufacture and more durable and adjustable than its predecessor.
Date: March 20, 1920
Creator: Nelson, William E.
Partner: UNT Libraries Government Documents Department

Improvement in Convertible Wagon-Bed and Hay-Rack.

Description: Patent for "an ordinary wagon-bed with sides and a rear end board or gate, which are both adjustable and removable, and attach slats or bars to said sides and end-board in such manner that they may be extended laterally when requires, to practically increase the width of the wagon-bed." (Lines 12-18) Includes instructions and illustrations.
Date: March 20, 1877
Creator: O'Neall, James M.
Partner: UNT Libraries Government Documents Department

Improvement in Broom-Handles.

Description: Patent for improving a spring-hinge joint that secures the broom during transportation.
Date: January 20, 1874
Creator: Turner, Ephraim M. & Turner, John W.
Partner: UNT Libraries Government Documents Department

Life-Saving Device for the Cabs of Locomotives.

Description: Patent for a life-saving device for the cabs of locomotives. The device is used to safely help the engineer or fireman escape from the locomotive engine cab should danger arise. The device is used to protect an individual against fire, hot water, or some other forms of danger.
Date: July 20, 1915
Creator: Uttz, William A.
Partner: UNT Libraries Government Documents Department

Sulky Carriage for Plows.

Description: Patent for a new and improved sulky plow. This design "furnish[es] a sulky-frame and plow supporting and adjusting devices of a simplified construction, and [provides] more effective means for gaging the depth of the penetration of the plow into the ground, and guiding or steadying the movement thereof" (lines 17-23).
Date: September 20, 1881
Creator: Ward, James & Washburn, Rufus
Partner: UNT Libraries Government Documents Department

Puncture-Closing Compound.

Description: Patent for closing the punctures or blow-outs in tires for automobiles or other vehicles using inflatable tires.
Date: May 20, 1913
Creator: Watkins, William J.
Partner: UNT Libraries Government Documents Department

Attachment for Converting Motor-Propelled Vehicles into Tractors.

Description: Patent for a device which attaches a "tractor which can be used to draw plows, harrows, cultivators, mowers, reapers, and other agricultural implements" (lines 12-17) to motor vehicles, thus converting the motor vehicle into a tractor.
Date: July 20, 1915
Creator: Wynne, William P.
Partner: UNT Libraries Government Documents Department
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