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Pneumatic Tire.

Description: Patent for improvements in pneumatic tire that gives a novel means to repairing a worn casing, a blow out, or a rim cut.
Date: July 13, 1920
Creator: Church, Shelby L.
Partner: UNT Libraries Government Documents Department

Window Shade

Description: Patent for "Improvements in Window-Shades" (line 6) including illustrations.
Date: February 10, 1920
Creator: Johnson, Charles G.
Partner: UNT Libraries Government Documents Department

Rudder-Bar for Aeroplanes.

Description: Patent for improvement in aeroplanes, especially to the steering mechanism which allows for the rudder to be locked in position so the aviator can remove their feet from the steering bar.
Date: May 25, 1920
Creator: McMullen, William H.
Partner: UNT Libraries Government Documents Department

Means for Detachably Securing Chairs to Floors.

Description: Patent for a new device that secures chairs to the floor and is easily detachable so the chairs can be moved when necessary.
Date: April 6, 1920
Creator: Lambert, Joseph A.
Partner: UNT Libraries Government Documents Department

Culvert.

Description: Patent for a culvert which is to be used for sewers or other underground conveyers. Its is to be composed of varying materials that can be easily shipped and jointed together to form the sewer or other underground conveyer.
Date: March 23, 1920
Creator: Charliss, Charles F. J.
Partner: UNT Libraries Government Documents Department

Saw Filer and Gummer

Description: Patent for adding an attachment to aid in "sharpening and gumming the teeth of circular saws particularly such saws as are used in cotton gins" (lines 13-15). The attachment works with a device for which the inventor previously received a patent. (Patent No. 1,180,270)
Date: February 3, 1920
Creator: McMicken, Thomas W.
Partner: UNT Libraries Government Documents Department

Sliding Caster

Description: Patent for improvements to furniture sliding casters for protecting the furniture, as well as floors and carpets when moving furniture. Improvements include caster prongs "which are set back from the outer margin of the caster so as not to split or mutilate the [furniture] leg" (lines 23-25) and casters that are "easily casted or stamped out from sheet metal [ . . . ] which therefore may be cheaply and easily manufactured" (lines 29-32).
Date: November 23, 1920
Creator: Preston, Charles L.
Partner: UNT Libraries Government Documents Department

Method of Regulating the Load on Rotary Drills.

Description: Patent for regulating the load on rotary drills, specifically those used in the oil and gas industry.
Date: November 2, 1920
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Pneumatic Tire.

Description: Patent for improvements in tires for vehicles that has a cushion that takes the shocks of travel.
Date: July 20, 1920
Creator: Drouet, Charles
Partner: UNT Libraries Government Documents Department

Rotary Boring-Drill

Description: Patent for improved rotary boring-drill with more efficiently mounted rollers.
Date: January 13, 1920
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Liquid Dispensing Machinemm

Description: Patent for a machine can dispense potable liquids to several customers at the same time.
Date: October 19, 1920
Creator: Ogden, Clayton N.
Partner: UNT Libraries Government Documents Department

Pump Piston

Description: Patent for an "Improvement in Pump-Pistons" (lines 5-6) including illustrations.
Date: January 13, 1920
Creator: Humason, Granville A.
Partner: UNT Libraries Government Documents Department

Plunger For Deep-Well Pumps

Description: Patent for improved deep well pumps with plungers used to reduce wear and lower the amount of repairs needed
Date: April 20, 1920
Creator: Coulson, William J.
Partner: UNT Libraries Government Documents Department

Combustion-Gas and Crude-Oil Burner

Description: Patent for a burner which can be used with either gas or oil, or both at once.
Date: May 11, 1920
Creator: Runyan, Benjamin F.
Partner: UNT Libraries Government Documents Department

Well-Drilling Device.

Description: Patent for adding a drilling stem to a well-drilling device, with illustration. This invention will improve operation of devices.
Date: February 10, 1920
Creator: Church, Walter Lee
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner.

Description: Patent for improvements in hydrocarbon burners that is inexpensive and can take refined oil or heavy crude oil and make it useable as fuel.
Date: July 27, 1920
Creator: St. Wrba, Joseph J.
Partner: UNT Libraries Government Documents Department

Spear

Description: Patent for a spear that is used to help withdraw or remove pipes that may get stuck in wellbores.
Date: April 20, 1920
Creator: Gray, Ellsworth
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for a pump that can be "cleansed of sand and other foreign matter" which may cause an obstruction or interference "with the operation of the pump valve" (lines 13-15).
Date: May 28, 1920
Creator: Johnson, John L.
Partner: UNT Libraries Government Documents Department

Furniture Polish

Description: Patent for a furniture polish, in liquid compound form, for use in cleaning and polishing furniture, vehicles, woodwork, and other similarly coated or enameled surfaces.
Date: December 28, 1920
Creator: James, John F.
Partner: UNT Libraries Government Documents Department

Railroad-Crossing Shock-Absorber.

Description: Patent for railroad crossings to protect the rails from contact with the vehicle wheels and to absorb the jar and vibration from passing vehicles over the crossing.
Date: June 15, 1920
Creator: Hargrave, Russell R.
Partner: UNT Libraries Government Documents Department

Well-Packer.

Description: Patent for an improved well drilling device called a "packer", in which this version has a reduced likelihood of the seals between separate parts being damaged and needing replacement.
Date: April 13, 1920
Creator: Fletcher, Harold W.
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for an improvement to pumps. This pump is designed to facilitate pumping of materials from deep oil and water wells.
Date: March 20, 1920
Creator: Hunt, David
Partner: UNT Libraries Government Documents Department

Penholder.

Description: Patent for a simplified construction of a pen holder which is inexpensive to manufacture. It detachably engages the pen point, prevents rusting and sticking. Releases pen point without user needing to grip, therefore avoiding sullying fingers.
Date: June 22, 1920
Creator: Baldwin, Charles E.
Partner: UNT Libraries Government Documents Department

Gate-Valve Lock.

Description: Patent for new and useful improvements in gate valve lock. This invention is to improve locks for gate valves and other various valves with rotatable stems.
Date: September 28, 1920
Creator: Madrin, Leonard B.
Partner: UNT Libraries Government Documents Department
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