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Card Holder

Description: Patent for card holders meant to help better display business cards and other forms of advertisement on surfaces such as windows.
Date: March 4, 1919
Creator: Hill, L. W.
Partner: UNT Libraries Government Documents Department

Cattle-Guard

Description: Patent for an improved cattle guard with two parts that is adapted to specifically fit either inside the railroad tracks or alongside them.
Date: October 28, 1919
Creator: Fisher, Thomas M.
Partner: UNT Libraries Government Documents Department

Battery-Mud-Extracting Device.

Description: Patent for improvement of Battery-Mud-Extracting Devices where the mud may be removed without disassembling the battery or displacing of the electrode plates.
Date: March 11, 1919
Creator: Irwin, Samuel D.
Partner: UNT Libraries Government Documents Department

Apparatus for Sulfur Mining

Description: Patent for "new and useful improvement" for sulfur mining by Mr. Robert Carmichael. This device has particular application for mining in subterranean environments, "by use of pumping a heated fluid down into contact with a sulfur strata" (lines 14-15).
Date: December 9, 1919
Creator: Carmichael, Robert E.
Partner: UNT Libraries Government Documents Department

Antislipping Device for Tires

Description: Patent for a device intended to decrease slippage of vehicle tires on roads that are either damaged or otherwise hard to navigate due to weather conditions.
Date: September 4, 1919
Creator: Edwards, William J.
Partner: UNT Libraries Government Documents Department

Amusement Apparatus.

Description: Patent for improvements to the Amusement Apparatus that can be more easily constructed and supports swimmers by the use of horizontal and vertical bars on each side of the device with the horizontal bars rotate independently. Includes illustration.
Date: November 4, 1919
Creator: Williams, May Brown
Partner: UNT Libraries Government Documents Department

Antiskidding Device

Description: Patent for an anti-skidding device to be used in tires and other traction wheels.
Date: September 16, 1919
Creator: Weatherly, William G. & Weatherly, Edward M.
Partner: UNT Libraries Government Documents Department

Auto-Carrier

Description: Patent for an auto-carrier that applied to the running board for carrying various luggage. A second aspect is to provide a device to support a wide array of objects and to withstand the weight giving its location along the running board.
Date: July 8, 1919
Creator: Evans, Edward L.
Partner: UNT Libraries Government Documents Department

Apparatus for Curing Tire-Casings

Description: Patent for an improved apparatus for Curing Tire-Casings (relates to molding devices for curing tire casings) which is easily and quickly set up and knocked down, holds casings safely in position while being cured, and highly efficient in curing tire casings.
Date: June 17, 1919
Creator: Bongio, Philip P. & Stephenson Elonzo
Partner: UNT Libraries Government Documents Department

Air Pump

Description: Patent for an air pump designed to have a strong cylinder and be able to equal quantities of air upon both the upward and downward motion of the piston.
Date: October 28, 1919
Creator: Keating, Paul W.
Partner: UNT Libraries Government Documents Department

Apparatus for Treating Hydrocarbons.

Description: Patent for an improved apparatus for treating hydrocarbons. This apparatus is for treating comparatively heavy petroleum and other hydrocarbon oils and their distillates and derivatives, in order to produce from such heavy oils a large yield of gasoline or other light, easily volatile liquids. This apparatus will be a safe and efficient way to produce large yield of gasoline and light hydrocarbon liquids from heavy oils and will be free from trouble arising from the accumulation of carbon.
Date: August 5, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.
Partner: UNT Libraries Government Documents Department

Aircraft Propelling and Manipulating

Description: Patent for air craft propelling systems for improvements in control of the aircraft by way of a "universal connection" (Lines 13-14) which makes for easier manipulation of the craft and aids in the prevention of air disasters.
Date: December 23, 1919
Creator: Schelb, Peter J.
Partner: UNT Libraries Government Documents Department

Air Regulating Attachment

Description: Patent for an Air Regulating Attachment. This new invention for an air regulating attachment builds upon previous advancements to create an inexpensive air regulating attachment system, which will in turn be used to regulate engine carburetors (Oscar Kiessing).
Date: April 21, 1919
Creator: Kiessig, Oscar
Partner: UNT Libraries Government Documents Department

Antispreading Device for Railway-Tracks.

Description: Patent for improvement for preventing the railroad tracks from spreading by using a device to connect the ends of two parallel rail to connecting adjacent pair of rails.
Date: April 8, 1919
Creator: Stovall, John T.
Partner: UNT Libraries Government Documents Department
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