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Center Rail for Key-Actions.

Description: Patent for an easily adjustable, simple, and durable center rail for key actions in pianos which does not require chiseling holes.
Date: October 21, 1919
Creator: Swallow, Oscar L.
Partner: UNT Libraries Government Documents Department

Heel-Sweep Brace.

Description: Patent for heel-sweep brace "relates to new and useful improvements in attachments to cultivators for strengthening the heel sweep thereof and prevent the same from rocking upon the foot."(lines 15-19)
Date: October 2, 1917
Creator: Goodlett, Henry Jimison
Partner: UNT Libraries Government Documents Department

Nutcracker.

Description: Patent for a nutcracker "of simple and comparatively inexpensive construction, having few parts and which may be conveniently operated." (lines 9-10) including illustration.
Date: October 31, 1916
Creator: Watson, Charles J. E.
Partner: UNT Libraries Government Documents Department

Cylinder Head.

Description: Patent for improvement in removable cylinder heads for gas engines. Exhaust gasses and foreign matter pass through the conduits without affecting the valve stem.
Date: October 22, 1918
Creator: Bloomber, H. G.
Partner: UNT Libraries Government Documents Department

Ice-Cream Freezer.

Description: Patent for an ice cream freezer, which rocks rather than turning in a circle to freeze the ice cream.
Date: October 4, 1910
Creator: Harton, Thomas J.
Partner: UNT Libraries Government Documents Department

Funnel and Gage.

Description: Patent for a funnel and gage with a mechanism used to indicate "when the proper amount of water has been inserted in the battery" (lines 14-15).
Date: October 16, 1917
Creator: Burkett, Joseph Benjamin
Partner: UNT Libraries Government Documents Department

Insect-Trap.

Description: Patent for an insect trap that entraps and kills insects that infest live plants or trees. This trap has a lantern to attract insects; the lantern is mounded in a pan that can be filled with liquid that injures and kills the insects.
Date: October 7, 1913
Creator: Cook, Katherine B.
Partner: UNT Libraries Government Documents Department

Subsoil Attachment for Plows.

Description: Patent for a subsoil attachment for plows in which the attachment can be “held fixedly relative to the plow so as to be maintained constantly at the desired depth without pushing upwardly under the resistance offered by the soil. This attachment can also be adjusted easily to plow to the desired depths.” (P. 1, lines 15-22.) Illustration is included.
Date: October 14, 1913
Creator: Mathis, William R.
Partner: UNT Libraries Government Documents Department

Pad for Lower Limbs

Description: Patent for a new single pad for the lower limbs, particularly of "feminine theatrical performers" (lines 12-13). Unlike previous pads which represented single muscles, the new pad contains all the muscles required for a lower limb in one, so that the muscles will not slip around when the performer is dancing.
Date: October 30, 1917
Creator: Matragos, Nick
Partner: UNT Libraries Government Documents Department

Combined Signal and Sign-Displaying Lamp for Vehicles.

Description: Patent for a combined signal and sign-displaying lamp for vehicles that uses only one light to illuminate all the sections and allows for easy interchanging of number plates.
Date: October 10, 1911
Creator: Puckett, Almor Manor
Partner: UNT Libraries Government Documents Department

Internal-Combustion Engine.

Description: Patent for an internal combustion engine that improves on an explosive engine with two hollow pistons, one of which slides within the other and both are connected to a triple crank shaft, so that they reciprocate simultaneously in opposite directions. The invention improves on the construction, arrangement, and combination of parts of the explosive engine.
Date: October 28, 1913
Creator: Bogusch, Emil Gustave
Partner: UNT Libraries Government Documents Department

Process of Leaching Copper Ores

Description: Patent for "a method of recovering copper by the electrolysis of copper solutions of any suitable kind, obtained by the lixiviation of the ore" (lines 9-12). The improvement in this method is that almost all the sulfuric acid and other leaching agents are used up prior to the copper going to the electrolysis tanks which increases the amount of copper recovered and the reduction of accumulated biproducts.
Date: October 22, 1918
Creator: Hahn, Albert W.
Partner: UNT Libraries Government Documents Department

Wrench for Rotary Well-Drills.

Description: Patent for a wrench designed to assist in working with rotary well drills. The wrench is adapted for unscrewing the coupling that attaches a drill point to a pipe section, as well as for detaching the pipe sections from one another. The advantage of the wrench is in allowing convenient detachment of the parts of a well drill quickly and efficiently.
Date: October 21, 1913
Creator: Lebus, George Franklin
Partner: UNT Libraries Government Documents Department

Corn and Cotton Planter

Description: Patent for a corn and cotton planter that plants seeds in hills of equal distance from one another.
Date: October 8, 1912
Creator: Roy, Henry F.
Partner: UNT Libraries Government Documents Department

Truck

Description: Patent for truck, or dolly, used in movement of packages.
Date: October 17, 1916
Creator: Hall, James T.
Partner: UNT Libraries Government Documents Department

Packing Ring

Description: Patent for improved packing rings for pistons.
Date: October 16, 1915
Creator: Westmoreland, Ernest T.
Partner: UNT Libraries Government Documents Department

Safety Razor

Description: Patent for a safety razor.
Date: October 31, 1916
Creator: Wrede, Albin C.
Partner: UNT Libraries Government Documents Department

Boring Tool

Description: Patent for a boring tool that allows for easy interchanging of the drill.
Date: October 31, 1916
Creator: Carroll, Monroe W.
Partner: UNT Libraries Government Documents Department

Military or Other Insignia

Description: Patent for improved military or other insignia pin. It is an attempt to improve the pin design with stronger materials and different construction methods.
Date: October 22, 1918
Creator: Semans, Clare L & Heiligman, Edward C.
Partner: UNT Libraries Government Documents Department

Weed-Cutting Machine.

Description: Patent for a weed cutting plow implement with height-adjustable runners.
Date: October 30, 1917
Creator: Schubert, William A.
Partner: UNT Libraries Government Documents Department

Loose-Leaf Binder

Description: Patent for new loose leaf binder to help carry leaf support and means for separating the members and displacing one longitudinally relation with the other.
Date: October 30, 1917
Creator: Moody, Jason B.
Partner: UNT Libraries Government Documents Department

Jack for Pumps and Other Purposes

Description: Patent for a jack, that can be used for a variety of purposes.
Date: October 10, 1916
Creator: Dayton, William L.
Partner: UNT Libraries Government Documents Department
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