Description:
Patent for a coupling pin for railroad cars, which prevents the coupling from coming loose accidentally by having a key which locks the coupling in place and can only be undone by the cars operating systems. when it is time to disconnect the car.
Date:
July 23, 1907
Creator:
Yeiser, John Clarke
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a new and improved collar. This design "consists in the combination of a flat metallic band, which passes over the top of the neck, two metallic blocks, which extend down opposite sides of the neck and are provided with locks, two perforated slides, which are connected together at their lower ends by a metallic loop . . . The object of [the] invention is to provide a bell-collar for animals, and which is not only adjustable in size, so as to be adapted to necks of different sizes, bu…
more
Date:
September 20, 1887
Creator:
Marshburn, Joseph J.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a new and improved safety-locks for doors which consists of only three parts: a screw with sharp points, a nut, and a guard pivoted to the nut. It includes illustrations.
Date:
January 21, 1879
Creator:
Hine, Miller J.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a new and improved bolt-lock. This design is for a flat piece of metal (the "lock") that secures the head of the bolt so that, when the adjoining nut becomes rusted, the nut and bolt can be successfully separated without damaging the surrounding material.
Date:
October 18, 1881
Creator:
Berry, John T.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for improvements to a hame-fastener, specifically related to an easily made, inexpensively produced locking mechanism, including illustration.
Date:
June 30, 1914
Creator:
Fowler, Alvah W.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for an improved catch (latch) to hold open gates that will "prevent a rebound of the gate" (lines 20) and is "simpler, less expensive, and otherwise more convenient" (lines 29-30) to manufacture and use.
Date:
March 5, 1918
Creator:
Borah, Dee.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a new and useful form of automobile lock adaptable for use in connection with the steering column and steering wheel of the car or automobile to be locked.
Date:
December 18, 1917
Creator:
Mushaway, Alden
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a lock designed to attach to the spokes of a steering wheel with the intention of guarding it from "unauthorized persons" (line 20), including illustrations.
Date:
June 1, 1920
Creator:
Cosby, Luther F.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a novel locking attachment for awning locks. Device locks so that is it inaccessible from the outside, therefore providing security from intruders.
Date:
February 26, 1918
Creator:
Hatchl, Harold C.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for an improvement in chain-locks. The improvement locks one end of a log chain to a car so that it cannot be accidentally released.
Date:
October 1, 1918
Creator:
Clarkson, Jay Caleb.
Partner:
UNT Libraries Government Documents Department
This dialog allows you to filter your current search.
Each of the World Regions listed note their name and the number of records that will be limited down to if you choose that option.
This dialog allows you to filter your current search.
Each of the Countries listed note their name and the number of records that will be limited down to if you choose that option.
This dialog allows you to filter your current search.
Each of the U.S. States listed note their name and the number of records that will be limited down to if you choose that option.
This dialog allows you to filter your current search.
Each of the Counties listed note their name and the number of records that will be limited down to if you choose that option.
The list can be sorted by name or the count.
Having trouble finding an option within the list of Counties? Start typing and we'll update the list to show only those items that match your needs.
This dialog allows you to filter your current search.
Each of the Decades listed note their name and the number of records that will be limited down to if you choose that option.
The list can be sorted by name or the count.
This dialog allows you to filter your current search.
Each of the Years listed note their name and the number of records that will be limited down to if you choose that option.
The list can be sorted by name or the count.
Having trouble finding an option within the list of Years? Start typing and we'll update the list to show only those items that match your needs.
This dialog allows you to filter your current search.
Each of the Months listed note their name and the number of records that will be limited down to if you choose that option.
The list can be sorted by name or the count.
This dialog allows you to filter your current search.
Each of the Days listed note their name and the number of records that will be limited down to if you choose that option.
The list can be sorted by name or the count.
Having trouble finding an option within the list of Days? Start typing and we'll update the list to show only those items that match your needs.