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Imitation Diamond

Description: Patent for imitation diamond. This is an invention that relates to the creation of imitation gems from glass. Illustration included.
Date: May 19, 1908
Creator: McDearmon, James C.
Partner: UNT Libraries Government Documents Department

Cultivator Attachment

Description: Patent for a cultivator attachment. "The principal object of the invention is to provide a simple harrowing attachment for the cultivator shovels, so that the soil can be pulverized immediately succeeding the lifting thereof by the cultivator shovel."
Date: May 19, 1914
Creator: Hafer, Albert L.
Partner: UNT Libraries Government Documents Department

Box Car Door Fastener and Spark Arrester.

Description: Patent for a new and improved box-car door fastener and spark arrester. This design consists in "the door, the screws extending therefrom, the strips having the inclined slots received on the screws, and provided with the projections, the lever pivoted on the screws outside the strip, stops on the lever to engage the projections, and means--such as cord--for locking the lever" (lines 4-11).
Date: October 19, 1886
Creator: Lynch, Hubbard Calhoun
Partner: UNT Libraries Government Documents Department

Sample Taking Device.

Description: Patent for a device that takes samples of the strata or formation through which a well is being drilled without mixing the soil with water within the reservoir.
Date: September 19, 1919
Creator: Rembert, William E.
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

Flexible Metallic Joint

Description: Patent for flexible metallic joint used to make improvements with railroad couplings on trains along with train pipes.
Date: December 19, 1918
Creator: Schulz, Wilhelm
Partner: UNT Libraries Government Documents Department

Process of Distilling Hydrocarbons

Description: Patent for distilling hydrocarbons from crude petroleum oil.
Date: April 19, 1921
Creator: Averill, Willard C., Jr.
Partner: UNT Libraries Government Documents Department

Attachment for Type-Writing Machines.

Description: Patent for a new and useful attachment for type writing machines, including instructions and illustrations.
Date: September 19, 1899
Creator: Pribyl, Frank G.
Partner: UNT Libraries Government Documents Department

Vehicle-Indicator

Description: Patent for a vehicle-indicator that is designed for use on vehicles such as automobiles, to indicate the movement of the vehicle. Other objects of this include that it alerts those around of the intended movement of the vehicle being driven.
Date: August 19, 1919
Creator: McManus, Lewis R.
Partner: UNT Libraries Government Documents Department

Well-Screen

Description: Patent for a well-screen which is used in oil or water wells for screening out sand from the inflowing fluids
Date: February 19, 1918
Creator: Rodrigo, Henry, Sr.
Partner: UNT Libraries Government Documents Department

Pneumatic Flue Expander

Description: Patent for a pneumatic flue expander. This invention allows for the ability to expand the ends of flue sheets of a steam or other boiler. Illustration included.
Date: May 19, 1908
Creator: Kelley, Harry
Partner: UNT Libraries Government Documents Department

Deep-Well Pump.

Description: Patent for "new and useful Improvements in Deep-Well Pumps," (lines 5-6), including illustrations. An improvement on the inventor's previous patent (1013579), with the intention of preventing and removing sand accumulation while pumping oil.
Date: August 19, 1919
Creator: Andrews, Benjamin
Partner: UNT Libraries Government Documents Department

Bale-Band Fastener.

Description: Patent for a new and useful bale band fasteber, including instructions and illustrations.
Date: December 19, 1899
Creator: Campbell, Douglas M.
Partner: UNT Libraries Government Documents Department

Cleaning Mechanism for Tanks.

Description: Patent for Cleaning Mechanism for Tanks.
Date: May 19, 1903
Creator: Hogg, William B.
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a wrench with a head having a pair of rigid jaws to engage the object. One unique use of this wrench is that it can tighten any threaded joint beyond the degree of tightness that can be obtained by pulling the handle of an ordinary wrench in the usual manner.
Date: July 19, 1921
Creator: Duda, Oswald
Partner: UNT Libraries Government Documents Department

Process of Tanning Hides and Skins

Description: Patent for rendering the process of tanning hides and skins "more expeditious and considerably cheaper &c., &c." (lines 12-13)
Date: February 19, 1918
Creator: Hall, Lewis T. & Tuttle, Frank
Partner: UNT Libraries Government Documents Department

Self-Inflating Tire.

Description: Patent for an automatic, self-inflating tire which uses a valve that opens to allow air in and closes to prevent air from escaping, including illustrations.
Date: January 19, 1915
Creator: Fernandez, José
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner

Description: Patent for a hydrocarbon burner and "it has for its special object to provide a burner of this class which shall be especially adapted for the consumption of crude oil." (line 9-12)
Date: May 19, 1903
Creator: de Latimer, Walter
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for a pneumatic pump that attaches to automobiles and fills up pneumatic tires and self-lubricates.
Date: October 19, 1909
Creator: Kreiter, Richard F.
Partner: UNT Libraries Government Documents Department

Concrete Building Mold.

Description: Patent for Concrete Building Mold that is composed to be able to be detachable and reversible.
Date: April 19, 1921
Creator: Rossiter, Jay A
Partner: UNT Libraries Government Documents Department

Well-Boring Apparatus

Description: Patent for "new and useful improvements in well boring apparatus. The object of the invention is to provide an apparatus of the character described embodying a rotary table and a novel means for connecting the same to the string of pipe, which extends down into the well and which is rotated by said table and in turn rotates the boring tool carried by the lower end of said spring of pipe" (lines 9-18) including instructions and illustrations.
Date: October 19, 1920
Creator: Decker, Harry R.
Partner: UNT Libraries Government Documents Department

Combined Rubber Dam and Tooth Backing Punch

Description: Patent for a combined rubber dam and tooth-backing punch. "This invention relates to new and useful improvement in dental instruments and more particularly it has references to a punch for forming holes accurately in the backing which is used on teeth in construction of bridges, plates, and cognate work" (line 12-17). Illustration included.
Date: May 19, 1908
Creator: Bell, Harry M.
Partner: UNT Libraries Government Documents Department

Truck For Wood Preserving Retorts

Description: Patent for a truck for wood preserving retorts. This "invention relates to a truck specially adapted for carrying articles which are to be moved on the truck into retorts, especially those constructed in cylindrical form" (lines 9-12). The truck is designed to permit large amounts of wood to loaded. Illustration included.
Date: March 19, 1907
Creator: Rollins, Henry M. & Neff, Asa J.
Partner: UNT Libraries Government Documents Department

Silo.

Description: Patent for a silo that is formed of sections that can be assembled, disassembled, and moved as needed. The silo is also designed to be double-walled, with a layer of waterproofing material between the walls.
Date: December 19, 1914
Creator: Coons, Oscar A.
Partner: UNT Libraries Government Documents Department
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