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Blackboard-Eraser

Description: Patent for "blackboard-erasers in which the erasing material is detachable from the wood block or handle and permits...being used continuously."
Date: November 18, 1902
Creator: Williams, Lavinia B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fumigator.

Description: Patent for a fumigator for spraying boll weevil insecticide on cotton, which generates the insecticide gas, sprays it while moving across the field, and keeps the gas in close proximity to the plants for a short time for thorough treatment.
Date: July 23, 1907
Creator: Fuller, Menzo Reed
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Combined Cultivator, Harrow, and Planter

Description: Patent for "agricultural implements in which a single frame is utilized to support various kinds of mechanisms, and in the present invention there is included a frame of simple and improved construction adapted for carrying and to be used in connection with earth-engaging, implements, such as harrow-teeth and cultivator blades, as well as rollers, for the purpose of crushing clods and leveling the surface of the land." (lines 8-18). Includes description and illustrations.
Date: November 23, 1905
Creator: Johnson, Alfred Butler
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Brake.

Description: Patent for an improvement "in the application of power to car brakes, whereby the slack is quickly and automatically absorbed, and a powerful leverage is secured, and a perfect equalization of the leverage at each end of the car is obtained, and the convenient and safe adjustment of the brakes in regard to the wheels is effected, and any particular alignment of the brake cylinder in regard to the car body is avoided as the cylinder in regard to the car body is avoided as the cylinder may be pla… more
Date: June 20, 1893
Creator: Ferguson, George J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton Scraper.

Description: Patent for a new and improved cotton-scraper. This design "is to produce a cotton-scraper of economical construction that will cut a wider furrow with lighter draft, do the work more perfectly, and at the same time be more easily held to the row than the scrapers in the present general use" (lines 11-16).
Date: February 2, 1886
Creator: Cooper, Richard
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for "a new and useful improvement in car-couplings" (lines 5-6), with instructions and illustrations.
Date: June 15, 1886
Creator: Ferguson, George Jones
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Brake.

Description: Patent for a car brake that "automatically absorb[s] the slack in car brake connecting rods which slack is induced by the wear of the brake shoes and fastening and the stretching of the parts by the strain in applying the brake" (lines 7-12). It is adjustable, inexpensive, and adjustable.
Date: March 14, 1893
Creator: Ferguson, George J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "is to provide a cheap, durable, and simple car-coupling, which shall be automatic and positive in its action, and which uses the ordinary link and takes the draft in the same way as the common pin, and which will also fit any car, and will not get out of order from being battered. It consists, mainly, in the peculiar construction of a coupling device, in combination with a spring for holding it to the open or closed position… more
Date: September 8, 1885
Creator: Ferguson, George Jones
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists "[i]n a car-coupling, the combination of a recessed draw-head having abutments . . . and a transverse ridge, of a link adapted to rock on said ridge, a pivoted coupling-hook carrying a diagonally-projecting pin near its forward end, and a spiral spring arranged diagonally above the coupling-hook and surrounding said pin" (lines 93-100).
Date: November 17, 1885
Creator: Nutting, Adrain
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Badge.

Description: Patent for a badge that is to be pinned or worn upon the coat or other garment with the representation of the human eye that is capable of being winked or moved. The bade is to be used for advertising, humor or salutations, included illustration.
Date: December 30, 1913
Creator: Connor, James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fumigating Apparatus.

Description: Patent for a fumigating device that is designed to kill rodents using sulfur dioxid. The device is designed so that the sulfur dioxid can be aimed by the user.
Date: May 8, 1917
Creator: Hawkins, Fletcher M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Attachment for Cash-Registers.

Description: Patent for an attachment for cash registers which makes it impossible to remove paper to wrap a customer's purchase before the cash register has been opened, for the purpose of reducing "losses due to forgetfulness or dishonesty of clerks making sales" (lines 9-11), including illustrations and instructions.
Date: June 10, 1919
Creator: White, Robert N., Jr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Door.

Description: Patent for a new and improved car door. This design "has for an object to provide a simple and convenient construction by which the door, which is mainly intended for grain-cars, may be pressed firmly against the bottom of the car and fastened, so it will not shake loose in making a trip, may be easily started in opening, and will be efficient and durable" (lines 8-14).
Date: January 18, 1887
Creator: Ferguson, George Jones
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for improvement of automatic car coupling and uncoupling devices.
Date: November 2, 1886
Creator: Ferguson, George Jones
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists in "a draw-head and a swinging coupling-hook pivoted therein, of the rock-shaft having the crank-arm provided with the grooved head, the chain arranged in said groove and connected with the hook, the ratchet-disk on the shaft, and the pawl for engaging the ratchet-disk" (lines 76-82).
Date: January 4, 1887
Creator: Nutting, Adrian
Item Type: Refine your search to only Patent
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 draw-head, the coupling-hook supported therein and having a limited longitudinal movement, the front edge of said hook being formed with inclined faces . . . and a vertical face arranged to engage proper faces in the draw-head, the forward movement of said hook being limited by [the] inclined faces . . . and vertical face, and its backward movement of bolt or stud and its upward movement … more
Date: January 18, 1887
Creator: Ferguson, George J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Door.

Description: Patent for a new and improved car door. This design "has for an object to provide a simple construction by which the door in its open and closed positions may be pressed firmly in against the side of the car, and by which the door may more perfectly protect the contents of the car from the weather than the doors of ordinary construction" (lines 8-14).
Date: January 18, 1887
Creator: Ferguson, George Jones
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Armored Car.

Description: Patent for an armored car or portable fort, that aims to provide a novel and improved armor unit of that nature.
Date: December 11, 1917
Creator: Spence, John J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mortising Machine.

Description: Patent for a new mortising-machine attachment for lathes or boring mills, designed to securely attach a bracket, hollow chisel, and boring bit to the machine, allowing for adjustable positioning to match the machine's work support.
Date: October 25, 1921
Creator: Andrews, Alluwee C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Window-Shade Holder

Description: Patent for a window shade holder that makes the shade go up and down with the window opening and closing.
Date: December 31, 1912
Creator: Harris, Albert G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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