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Liquid-Indicator for Tanks.

Description: Patent for a liquid indicator to determine if the supply of oil has been depleted in the crank case of an automobile's internal combustion engine. Further purposes of this patent include the closing of an electrical circuit when the oil in the crank case becomes low in order to sound an audible noise that alerts the driver that more oil is needed. The patent intends to make the invention durable, easy to use, and inexpensive to manufacture.
Date: July 29, 1919
Creator: Pippin, William R.
Partner: UNT Libraries Government Documents Department

Windmill.

Description: Patent for improvements to windmills.
Date: April 29, 1884
Creator: Witherspoon, Frank
Partner: UNT Libraries Government Documents Department

Water-Heater

Description: Patent for a water heater which operates by connecting to the smoke stack of a furnace. Illustrations included.
Date: December 29, 1908
Creator: Miles, Joseph Furnas
Partner: UNT Libraries Government Documents Department

Machine For Perforating Checks And Printing Thereon

Description: Patent for a machine for perforating checks and printing on said check. The printing application of the press represents dollar amounts rendering it impossible to change the type. Illustrations included.
Date: December 29, 1903
Creator: Robertson, George Francis
Partner: UNT Libraries Government Documents Department

Improvement in Apparatus for Separating the Seed from Fruit-Pulp

Description: Patent for a simple machine "for separating the seed from the pulp of the Bois-de-Arc or Osage orange and other apples where the seed is required to be separated uninjured for planing and other purposes" (line 26-29).
Date: March 29, 1870
Creator: Mayo, Robert H.
Partner: UNT Libraries Government Documents Department

Tire Tightener.

Description: Patent for a new and improved tire tightener. This design consists in "[t]he combination, with the spokes, the felly, and the tire . . . of the plates, each provided with rearwardly-extending apertured portions, forwardly-projecting fingers, and semi-socketed portions on their lower faces, the upper face of the plate being straight, its lower face inclined, the upper face of the plate inclined, and the lower face thereof straight, whereby when said plates are fitted in place, they will wedge be… more
Date: April 29, 1890
Creator: Mayo, William Archer
Partner: UNT Libraries Government Documents Department

Scraper.

Description: Patent for an adjustable road and ditch building scraper.
Date: September 29, 1908
Creator: Edzards, Harm Uden
Partner: UNT Libraries Government Documents Department

Car-Fender.

Description: Patent for new and useful improvements in car fenders, including instructions and illustrations.
Date: August 29, 1899
Creator: Forwood, Reginald
Partner: UNT Libraries Government Documents Department

Attachment for Locomotives.

Description: Patent for a safety attachment for locomotives that is simple and prevents unwelcome people from getting into a position to take control of the train. It consists of steam pipes with open jets connected with the boiler that go around the entrances of the cab, and the train engineer can turn a valve and make hot steam project across the entrances.
Date: August 29, 1894
Creator: Rutherford, James Rice
Partner: UNT Libraries Government Documents Department

Computing Yardstick

Description: Patent for an attachment to yardsticks in order to compute correct measurements. Illustration included.
Date: March 29, 1904
Creator: Cogburn, William S.
Partner: UNT Libraries Government Documents Department
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