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Nut-Lock.

Description: Patent for new qualities of nut-lock security, efficiency, and convenience, including illustrations.
Date: April 24, 1906
Creator: Payne, Lewis.
Partner: UNT Libraries Government Documents Department

Cleaning Apparatus.

Description: Patent for a vacuum for cleaning cotton gins that attaches to the pneumatic elevators generally found in cotton gins.
Date: April 9, 1907
Creator: Sadler, Arthur E.
Partner: UNT Libraries Government Documents Department

Air-Brake-Setting Appliance

Description: Patent for an air brake apparatus for train cars which automatically activates when a train car is derailed. Illustrations included.
Date: April 13, 1909
Creator: Gale, Albert & Lilley, Doc M.
Partner: UNT Libraries Government Documents Department

Cattle-Guard.

Description: Patent for an improved cattle-guard by using a guard that has a plurality of spurs, should an animal step thereon its foot will be directed against one or more of these spurs, thus causing the animal to withdraw its foot and not attempt to pass over the rail. This will prevent the animal from crossing railway-tracks, but the spurs will not interfere with the free passage of trains. (Lines 10-20) Illustration is included.
Date: April 2, 1901
Creator: Steinmann, Herman Werner
Partner: UNT Libraries Government Documents Department

Composition for Removing Boiler-Scale

Description: Patent for "an extract of the plant know to botanists by the name 'Larrea Mexican,' to be used in removing boiler-scale and in preventing the reformation of the same" (lines 9-13).
Date: April 16, 1901
Creator: Pena, Benjamin
Partner: UNT Libraries Government Documents Department

Antifreezing Valve and Closet-Cistern

Description: Patent for "valves which will allow all the water to flow out of the popes to a position below freezing-point after each application of water, whether the water is used in a closet-cistern or drawn out of a hudrant or other application is made, and to arrange the valves so that the supply-valves will be automatically closed by water-pressure in connection with the operation of a siphon in a closet-cistern and the waste-valve will be closed by the pressure of water, siphonic action, or both, whe… more
Date: April 23, 1901
Creator: Wilkes, George W.
Partner: UNT Libraries Government Documents Department

Compound Railway-Rail

Description: Patent for a compound railway-rail. This invention is a solid open jointed rail whereby two longitudinal section may be brought together without creating open joints. Illustration included.
Date: April 23, 1907
Creator: Stephens, George B.
Partner: UNT Libraries Government Documents Department

Articulating Plate

Description: Patent for "new and useful articulating plate" (lines 5-6), including illustration and instructions.
Date: April 11, 1900
Creator: Driskill, T. F.
Partner: UNT Libraries Government Documents Department

Ant-Trap

Description: Patent for an ant rap designed to catch ants and burrowing insects that are destructive to vegetation. Illustrations included.
Date: April 20, 1909
Creator: Fly, Nathaniel D.
Partner: UNT Libraries Government Documents Department

Ant-Trap

Description: Patent for "a simple device of this kind which will excel the former traps in depositing the ants within the annular pan and in efficiency for convenient discharge of the trapped insects" (lines 18-22).
Date: April 2, 1901
Creator: Inman, Joseph
Partner: UNT Libraries Government Documents Department

Phonograph-Machine.

Description: Patent for a new phonograph machine with improvements of sound-box-transversing mechanisms and uniformity of movements, including illustrations.
Date: April 17, 1906
Creator: Dubinski, Benjamin.
Partner: UNT Libraries Government Documents Department

Closet-Cistern and Valve Therefor

Description: Patent for "a cistern which needs no valve to start the siphon to work and to construct a valve which can be operated by a rod which runs up through the supply-pipe, thus doing away with the stuffing-box for a rod for operating the valve" (lines 11-16).
Date: April 23, 1901
Creator: Wilkes, George W.
Partner: UNT Libraries Government Documents Department

Chopper and Cultivator.

Description: Patent for a chopper and cultivator with a rod with moveable blades attached that allows for the blades to be changed between different types for planting or cultivating.
Date: April 30, 1907
Creator: Odom, Elbert T.
Partner: UNT Libraries Government Documents Department

Closure for Bottles, &c.

Description: Patent for a tamper-proof bottle cap made of flexible metal that expands to seal the bottle and cannot be removed and replaced without signs being evident in the bottle and cap.
Date: April 2, 1907
Creator: Hull, John William
Partner: UNT Libraries Government Documents Department
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