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Insulator.

Description: Patent for an insulator for water pipes that conducts away electric current to be utilized elsewhere.
Date: December 25, 1917
Creator: Stone, Oscar Otto
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Interlocking-Bar Grating for Jails.

Description: Patent for gratings used in jails. "In these structures as ordinarily made upright and horizontal bars are provided which are located at right angles to each other, these bars being necessarily secured together at their points of intersection to prevent their being spread apart" (lines 11-16).
Date: November 25, 1902
Creator: Youngblood, David Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Truck.

Description: Patent for a new and useful truck, including instructions and illustrations.
Date: April 25, 1899
Creator: Hooper, Johnson M., Sr. & Daniels, James R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lantern.

Description: Patent for certain new and useful improvements in lanterns, including instructions and illustrations.
Date: October 25, 1898
Creator: Cadwallader, Aldes H. & Carolan, Eugene P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lineman's Chair

Description: Patent for a chair which allows a lineman to connect cables and lines more easily. Illustrations included.
Date: October 25, 1910
Creator: Davis, John W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plaque and Picture Hanger.

Description: Patent for a new and improved holder for plaques and pictures. This design "is to provide a simple and cheap device for conveniently hanging painted or ornamental plaques, plates, tiles, and similar decorative objects" (lines 15-18).
Date: July 25, 1882
Creator: Marucheau, Elizabeth L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tool for Truing and Dressing Commutators.

Description: Patent for a tool "for truing and dressing the commutators of dynamo motors... especially designed for truing and dressing the commutators of motors employed for propelling cars" (lines 9-14).
Date: June 25, 1907
Creator: Frick, Claus Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sulky-Lister

Description: Patent for an improved sulky-lister for planting listed corn, cotton, and other crops.
Date: November 25, 1902
Creator: Engelmann, Gustav
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Paper File and Binder.

Description: Patent for a paper file and binder, which is expandable for varying amounts of pages and holds the papers firmly in the binder, but also allows easy removal.
Date: January 25, 1910
Creator: Springall, Walter A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spark-Arrester

Description: Patent for a spark arrester designed to extinguish the glowing cinders of smoke stacks. Illustrations included.
Date: October 25, 1910
Creator: Goodrich, Luman L., Jr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mechanical Packer.

Description: Patent for improvements towards the mechanical packing apparatus. The invention will connect the apparatus to power-operated presses, like that of the cotton press.
Date: January 25, 1921
Creator: Cameron, Theodore R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tire Construction

Description: Patent for an improvement to rubber tires. The inner tube is enclosed within a thick detachable shoe to withstand shocks and jars, and also uses side guards to protect from dirt accumulation.
Date: November 25, 1919
Creator: Luck, John J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Portable Convict-Cage.

Description: Patent for a portable convict cage for housing prisoners while out in work gangs, which is on wheels, is difficult to attack or leave, and provides numerous cots inside.
Date: May 25, 1909
Creator: Youngblood, David Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dumping-Cart

Description: Patent for a dumping cart with a body that locks to the frame, but can be released quickly to dump materials via two toggle arms connected to a crank handle. Including illustrations and instructions.
Date: February 25, 1903
Creator: Davis, Frank C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Door Operating Means

Description: Patent for a mechanism to operate jail doors. The mechanism is "operated with a single movement of the hand to open and close a plurality of doors simultaneously" (14-19). Illustrations included.
Date: June 25, 1912
Creator: Youngblood, David Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gas Compressing Pump for Ice Machines.

Description: Patent for a new and improved pump for refrigerators. This design consists in "[t]he combination, with the cylinder, having inlet at or near its lower end, a downward-closing valve at its upper end, an open-ended piston having internal ribs or projections, annular valve-seat around its upper open end, and a centrally-apertured bottom plate, of the valve having vertical movement within the piston and closing upwardly against the valve-seat, said valve being formed of the two sections . . . havin… more
Date: December 25, 1888
Creator: Farnsworth, Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Revolving Case and Account Register

Description: Patent for revolving case and cash register. This device is designed as an account system and provides customers with and account book for keeping records. Illustrations included.
Date: June 25, 1912
Creator: Trenton, Albert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hammock-Support.

Description: Patent for hammock support which is securely fastened and can be readily removed.
Date: November 25, 1902
Creator: Youngblood, David Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hoof-Cleaning Tool.

Description: Patent for an improved farriers tool that cleans animals' hoofs that is a specially designed hook. It works quickly, thoroughly, and easily.
Date: July 25, 1893
Creator: Jenner, Robert C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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