Description:
Patent for an improved rotary earth boring drill that can bore through formations to dig wells. The drill can be removable and replaceable when its condition is worn. The drill also has flushing channels for when the head is boring into the ground.
Date:
August 23, 1921
Creator:
Suman, John R.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for switch that indicates when a vacuum fails. Used for systems in "which it is desired to keep a ... uniform vacuum such as in fruit dryers, creosoting plants, surgace and jet condensing for steam plants and the like" (lines 21-25).
Date:
March 23, 1915
Creator:
Howland, John
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a compound called “Tape-Worm Medicine” that is used to “remove tape-worms from the human body speedily and effectually; and it consists in a composition formed from the fibrils of the roots of the pomegranate mixed with water” (lines 9-13).
Date:
September 23, 1879
Creator:
Nette, August
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a traffic signal that provides a way for automobiles to notify other vehicles that the operator is about to make a turn or bring his vehicle a stop, with illustrations.
Date:
December 23, 1919
Creator:
Tillery, John F.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a mounted storage rack for automobiles that can be folded onto the running board. The rack may be shortened or lengthened for running boards of different lengths, or to provide a storage space of a given length.
Date:
December 23, 1919
Creator:
Turner, John S.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for an improved pie carrier cabinet. This cabinet is designed to be strong, light, and produced cheaply. It provides increased accessibility and convivence when it comes to viewing or removing pies from it.
Date:
April 23, 1918
Creator:
Blalock, Clovis Coffey
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a device in "which the center and edges" of a silo "will be packed with equal firmness and solidity" (lines 14-16) of materials, including an illustration and description of the device.
Date:
March 23, 1920
Creator:
Comer, John H.
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.
The list can be sorted by name or the count.
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.