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Vehicle-Spring.

Description: Patent for an improved vehicle spring on the axle that is stronger and more durable, including illustrations.
Date: June 6, 1916
Creator: Hagemann, Paul
Partner: UNT Libraries Government Documents Department

Knee-Spreader.

Description: Patent for certain new and useful improvements in knee spreaders, including instructions and illustrations.
Date: February 6, 1900
Creator: Trice, Sinnette Y.
Partner: UNT Libraries Government Documents Department

Vehicle-Seat

Description: Patent for "a device of the character set forth adapted for application to buggies, carriages, sleighs, and other Vehicles and arranged adjacent to the dash, and when not in use the several parts are folded and the device entire detached and placed endwise under the seat 'and behind the cushion-fall, the parts being simple and effective in their construction and operation, strong and durable, and easily and readily handled and applied" (lines 14-24).
Date: September 6, 1892
Creator: Padgitt, Thomas B.
Partner: UNT Libraries Government Documents Department

Window Washer And Wiper.

Description: Patent for improvement in window washer and wiper design pertaining to the windshields or windows of street cars.
Date: August 6, 1918
Creator: Randall, John G.
Partner: UNT Libraries Government Documents Department

Locomotive Ash-Pan

Description: Patent for "improvements in dumping locomotive ash-pans which will not only effectually and tightly hold the ashes within the same until it is desired to dump the pan, but also to provide means whereby the requisite draft can be obtained and constantly supplied to the fire in regulated quantities" (lines 10-16).
Date: September 6, 1892
Creator: Eads, John W.
Partner: UNT Libraries Government Documents Department

Washing-Machine.

Description: Patent for a washing machine with a "revolving drum or clothes-carrier, of a steam-chest" (lines 79-80) surrounding the drum, a removable cover with "perforated steam-pipes" (line 83), which go around the drum.
Date: April 6, 1897
Creator: Stallings, James W.
Partner: UNT Libraries Government Documents Department

Interest Calculator

Description: Patent for an adjustable calendar for calculating interest between two dates, including illustrations.
Date: May 6, 1913
Creator: Moody, Jason B.
Partner: UNT Libraries Government Documents Department

Improvement in Fluting-Irons.

Description: Patent for "improvements in combined fluting and smoothing irons, which are made hollow for the purpose of receiving a heated metallic block which will raise the shell to the proper temperature for smoothing or fluting." (Line 16-21) Includes instructions and illustrations.
Date: June 6, 1876
Creator: McCausland, William I.
Partner: UNT Libraries Government Documents Department

Well Digging Machine.

Description: Patent for a new and improved well-digging machine. This design "consists in connecting to the bottom of [a] shaft a gang of plows, which effectually break and cut up the earth, and combing therewith a fixed and inclined shear-blade and detachable earth-receiver, the said shear-blade being located in the rear of the plows, for raising the earth from the motion of the plow, and delivering it automatically into the detachable earth-receiver, which is raised to the surface with its load by means o… more
Date: February 6, 1883
Creator: Chambers, Job C. & Chambers, Silas
Partner: UNT Libraries Government Documents Department

Improvement in Fences.

Description: Patent for improvement in fences using wire rails, including illustrations.
Date: May 6, 1879
Creator: Temby, Joseph W.
Partner: UNT Libraries Government Documents Department

Process of Mixing Concrete and The Like.

Description: Patent for concrete mixer. The processes of mixing concrete and the like allows perfect hydration of mixture and eliminates air pockets in the mixture, including illustrations.
Date: March 6, 1917
Creator: Woodward, Edwin C.
Partner: UNT Libraries Government Documents Department

Underground Electric Railway.

Description: Patent for certain new and useful improvements in underground electric railways, including instructions and illustrations.
Date: March 6, 1900
Creator: Smith, George W.
Partner: UNT Libraries Government Documents Department

Process of Electrostatic Magnetic Separation.

Description: Patent for an improved process of electrostatic magnetic separation to separate the particles of a mixture or mass.
Date: December 6, 1910
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
Partner: UNT Libraries Government Documents Department

Tire for Vehicle-Wheels.

Description: Patent for a tire for vehicle wheels with springs.
Date: December 6, 1910
Creator: Guthrie, Nehemiah & Johnson, Callender L.
Partner: UNT Libraries Government Documents Department

Mine-Door.

Description: Patent for an mine door that has an improved locking mechanism. A rope is strung through pulleys, and is operated by pushing a lever that moves the rope and the door swings open.
Date: March 6, 1894
Creator: Warren, Governor D.
Partner: UNT Libraries Government Documents Department

Mailing-Cabinet.

Description: Patent for a mailing cabinet, which will assist the mail service to better aid the distribution of the mail with a larger space to sort.
Date: February 6, 1912
Creator: Exline, Marcus P.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a plow that "deposit[s] a portion of the loosened soil in the bottom of the furrow" (lines 17-19). It is an improvement on double shovel plows, especially on how the sheaths are spread and braced.
Date: November 6, 1894
Creator: Whatley, George W.
Partner: UNT Libraries Government Documents Department

Step Ladder

Description: Patent for a step ladder. Illustration included.
Date: June 6, 1905
Creator: Soergel, John G.
Partner: UNT Libraries Government Documents Department

Quilting-Frame.

Description: Patent for a quilting frame that is adjustable for different conditions, as well as constructed so that material to be quilted can be attached without sewing. Additionally, the quilting frame can be folded to occupy less space when not in use.
Date: February 6, 1906
Creator: Massey, Dora
Partner: UNT Libraries Government Documents Department

Dish-Cleaner.

Description: Patent for a dish-cleaner that improves on previous patents for washing machines granted to the inventor (No. 377,765 and No. 427,601). The dish cleaner is especially adapted for use on plates, cups, dishes, and similar things, without an operator working to clean dishes.
Date: March 6, 1894
Creator: McCausland, William I.
Partner: UNT Libraries Government Documents Department

Cotton-Gin

Description: Patent for improved cotton gin, in particular the mote plate and wind guard. The new design allows for the mote plate to easily be adjusted, and for cotton-laden air currents to be cleared regularly.
Date: June 6, 1916
Creator: Murray, Stephen D.
Partner: UNT Libraries Government Documents Department

Garment-Fastener.

Description: Patent for a garment fastener which produces the appearance of a long waist.
Date: October 6, 1903
Creator: Croom, Nannie Vincent & Ledger, Sara
Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for "an improved attachment for the mold-boards and landsides of plows, the object being to furnish a plow or similar impliment with an attachable and removable covering for the landside and mold-board, which will prevent the adhesion of soil thereto" (lines 12-18).
Date: November 6, 1889
Creator: Miles, Fredrick Alanson
Partner: UNT Libraries Government Documents Department

Cutting and Stepping Machine

Description: Patent for a cutting and stepping machine meant to replace a human cutter.
Date: May 6, 1919
Creator: Moore, L. R.
Partner: UNT Libraries Government Documents Department
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