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Safety-Razor.

Description: Patent for new and improved safety razor, which will be similar to an ordinary razor, and "can be used either in its safety form or in the ordinary manner" (lines 15-16) including instructions and illustrations.
Date: July 20, 1897
Creator: Bradley, Richard Sherman.
Partner: UNT Libraries Government Documents Department

Apparatus for Making Soap.

Description: Patent for a new and improved soap-making machine. This design "consist[s] of grease and soda tanks, the latter tank having a diaphragm . . . a register-tank, pipes leading from said grease and soda tanks to said register-tank, a pivoted converter, a rotary shaft in said converter and blades, a shaft journaled in uprights attached to said converter and provided with a crank and a bevel wheel, the latter gearing with a bevel-wheel on said rotary shaft in the converter, and removable furnaces for… more
Date: September 20, 1887
Creator: Grant, William A.
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for "construction and arrangement of arrow-shaped draw-heads and lever-bars adjustable upon rack-bars for the purpose of raising and lowering the draw-heads" (lines 16-20)including instructions and illustrations.
Date: April 20, 1880
Creator: Gray, John D.
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists in "[t]he combination . . . of the laterally and vertically movable draw-head having the hook at its outer end, the keeper depending from the lower side of the car, and in which the draw-head is confined, the spring connected to one side of the draw-head and bearing thereon, and the arm pivoted in a slot in the draw-head, and having the head projecting in rear of the lip or shoulder of the hook, and the lever fulcrum… more
Date: July 20, 1886
Creator: Gorny, Jacob
Partner: UNT Libraries Government Documents Department

Apparatus for Separating Liquids.

Description: Patent for dehydrating petroleum oil emulsions through liquid seperation.
Date: August 20, 1918
Creator: McKibben, Charles W.
Partner: UNT Libraries Government Documents Department

Automatic Signal-Actuating Mechanism for Railways

Description: Patent for an improved signal actuating mechanisms for railways. When the train cars reach an operating mechanism, a flag will be raised where pedestrians or cars cross, and cause a signal to be repeated until the train passes.
Date: July 20, 1920
Creator: Bashara, Samuel Farris
Partner: UNT Libraries Government Documents Department

Salad Dressing

Description: Patent for improving salad dressing. This salad dressing has high quality ingredients to go with any salad.
Date: November 20, 1923
Creator: Scholl, William H. & Scholl, Barney
Partner: UNT Libraries Government Documents Department

Lubricating Device for Rotary Drills

Description: Patent for improving the lubricating devices for rotary drills, especially the rotatble cutting devices attached to the head of the drill.
Date: April 20, 1915
Creator: Hughes, Howard Robard
Partner: UNT Libraries Government Documents Department

Lifting and Moving Device

Description: Patent for a construction device to help move heavy machines.
Date: February 20, 1915
Creator: Kenyon, H.
Partner: UNT Libraries Government Documents Department

Mail-Bag Catching and Delivering Device

Description: Patent for a mail bag catching and delivering device that is attached to trains and grabs mailbags off of a designated mail bag holder on the edge of the tracks.
Date: July 20, 1909
Creator: Cruse, James Jefferson
Partner: UNT Libraries Government Documents Department

Explosion Hatch for Oil Containers

Description: Patent for improved explosion hatch for oil containers.
Date: March 20, 1917
Creator: Scott, Clarence N.
Partner: UNT Libraries Government Documents Department

Nut and Candy Depositor

Description: Patent for a nut and candy depositor for sending the nuts and candy into a dipping machine.
Date: August 20, 1912
Creator: Brunka, Oscar
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 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

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

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

Smoothing-Drag

Description: Patent for improvements to a smoothing drag, a tool that smoothes the ground between rows of crops to prevent moisture loss from the soil.
Date: May 20, 1913
Creator: Davison, Morgan
Partner: UNT Libraries Government Documents Department

Hay-Press.

Description: Patent for a hay-press that automatically compresses hay into bales that is cost effective and easy to operate, including illustrations and instructions.
Date: February 20, 1912
Creator: Tanner, Frank W.
Partner: UNT Libraries Government Documents Department

Form for Building Concrete Structures

Description: Patent for a form for building concrete structures. Illustrations included.
Date: September 20, 1910
Creator: Duller, David M.
Partner: UNT Libraries Government Documents Department

Feed Mixer

Description: Patent for refinements in feed mixer technology.
Date: May 20, 1913
Creator: Dixon, Elbert S. & Werner, Henry E.
Partner: UNT Libraries Government Documents Department

Driving Gearing for Motor Vehicles

Description: Patent for a driving mechanism that allows all four wheels of a motor vehicle to be used for traction purposes.
Date: April 20, 1915
Creator: Twyford, Robert E.
Partner: UNT Libraries Government Documents Department

Folding Poultry-Coop.

Description: Patent for certain new and useful improvements in folding poultry coops, including instructions and illustrations.
Date: February 20, 1900
Creator: Ramsay, Henry M.
Partner: UNT Libraries Government Documents Department

Envelop

Description: Patent for envelopes, particularly for inter-office use, in which an envelope would have an improved means for indicating the designation of the envelope to any series of persons or locations. Additionally, the envelope is provided a series of spaces with a separatable or removable indicator adapted to be located in any said spaces to indicate the destination of the envelope.
Date: October 20, 1919
Creator: Crate, James S.
Partner: UNT Libraries Government Documents Department

Elevator.

Description: Patent for an elevator used to lift pipe and other similar objects, the invention is designed to help drilling operations for oil wells.
Date: January 20, 1920
Creator: Steen, Buford J.
Partner: UNT Libraries Government Documents Department
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