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Packing for Piston-Rods.

Description: Patent for certain new and useful improvements in packing for piston rods and the like, including instructions and illustrations.
Date: April 18, 1899
Creator: Lewis, George Harris
Partner: UNT Libraries Government Documents Department

Surf-Toboggan

Description: Patent for improvements to surf toboggans so that the outer casing does not have to be ripped out in order to turn the toboggan inside out for drying purposes. This invention includes flaps with lacings on the inner and outer casings.
Date: April 16, 1918
Creator: Silvernail, George E.
Partner: UNT Libraries Government Documents Department

Mergenthaler Linotype-Machine.

Description: Patent for an improvement "to the elevator-arm of the Mergenthaler linotype-machine, and its object is to prevent the rubbing of the matrices against the inner walls of the channel-plates when being raised therefrom." (Lines 9-13) Includes instructions and illustrations.
Date: April 7, 1896
Creator: Sundstrom, Herman Theodor
Partner: UNT Libraries Government Documents Department

Jetty.

Description: Patent for a new and improved jetty. This design "is to provide structures . . . for protecting shores, and other similar work. . . . [The] invention consists, mainly, in the utilization of a central or interior core of clay, or clayey substance, about which is formed a retaining envelope in connection with suitable substructures, coping, walls, and tracks" (lines 15-27).
Date: April 16, 1889
Creator: Douglas, William M.
Partner: UNT Libraries Government Documents Department

Electric Furnace.

Description: Patent for a new and useful electric furnace.
Date: April 19, 1898
Creator: Clark, George Greenleaf
Partner: UNT Libraries Government Documents Department

Drying and Stretching Frame

Description: Patent for a frame used to stretch and dry fabrics such as curtains. Illustrations included.
Date: April 20, 1909
Creator: Hargrave, Thomas A.
Partner: UNT Libraries Government Documents Department

Crab and Fish Trap.

Description: Patent for a new and improved seafood trap. This design consists in "a net or trap for crabs or fish, which comprises flat frame-sections hinged together, netting attached to said sections, and a rod or bar extending across said sections and engaging with suitable devices thereon for holding said sections partly extended until the hinged sides strike bottom and thereby release the rod or bar" (lines 83-90).
Date: April 1, 1890
Creator: Franklin, Robert M.
Partner: UNT Libraries Government Documents Department

Cotton-Press.

Description: Patent for "a compress having a continuous operation, whereby one bale of cotton is being formed by the compress all the time the same is working, and thereby rendering it unnecessary to completely stop the working of the entire press for every single bale made until the bale can be wrapped and discharged out of the press." (Lines 15-22) Includes instructions and illustrations.
Date: April 14, 1896
Creator: Griffin, Thomas J.
Partner: UNT Libraries Government Documents Department

Cotton-Gin.

Description: Patent for a saw-cleaning attachment for cotton gins. Includes instructions and illustrations.
Date: April 20, 1897
Creator: Griffin, Thomas J.
Partner: UNT Libraries Government Documents Department

Garment.

Description: Patent for a garment, which prevents chafing of the legs while working in hot environments .
Date: April 5, 1910
Creator: Prendergast, Richard P.
Partner: UNT Libraries Government Documents Department

Winch Attachment

Description: Patent for an improved automobile winch attachment.
Date: April 22, 1919
Creator: Bush, E. E.
Partner: UNT Libraries Government Documents Department

Shell.

Description: Patent for improvements to explosive projectile shells. Provides a shell adapted to contain gas and high explosives with constructed multi-layered shells with the intent to inflict as much damage as possible.
Date: April 29, 1919
Creator: Aoughsten, Richard G. & Aoughsten, Otto L.
Partner: UNT Libraries Government Documents Department

Improvement in Processes of Reducing Asphaltum to a Liquid.

Description: Patent for a process to "reduce asphaltum to a liquid, and hold the same in a semi-fluid condition without heat, and which constitutes an entirely new article of commerce, and furnishes to the trade an article of asphaltum prepared and ready for use, without the labor, expense, and delay of melting, for paving and roofing purposes, and one most admirably adapted for use by manufacturers of varnish and japan." (Lines 8-16) Includes instructions and illustrations.
Date: April 20, 1875
Creator: Lee, Archibald K.
Partner: UNT Libraries Government Documents Department

Improvement in Car Brakes and Starters

Description: Patent for improvements in rail road-car breaks, starters, and checkers. "The nature of the invention consists in certain constructions, combinations, and arrangements of parts" (lines 19-21).
Date: April 24, 1877
Creator: Marean, William
Partner: UNT Libraries Government Documents Department

Improvement in Processes of Reducing Asphaltum to Liquid.

Description: Patent for improved “process of reducing asphaltum to a liquid and holding the same in a fluid condition without heat or the use of dead-oils” (lines 31-34).
Date: April 20, 1875
Creator: Lee, Archibald K.
Partner: UNT Libraries Government Documents Department

Snath Fastener.

Description: Patent for a new and improved snath fastener. This design "relates to devices for attaching scythes to their handles; and it consists in certain improvements in the construction of the same" (lines 17-20).
Date: April 11, 1882
Creator: Schultze, August
Partner: UNT Libraries Government Documents Department

Fire-Escape.

Description: Patent for a fire-escape that uses ropes and pulleys held up by brackets and attached to a window. A receptacle is at the end of the rope and is designed to lower people from the building to the ground.
Date: April 18, 1893
Creator: Martin, Johan
Partner: UNT Libraries Government Documents Department

Fire-Escape.

Description: Patent for a fire escape "with a cord or rope of suitable length which has at one end a weight to serve as a projectile to facilitate throwing the cord or rope to a person at any part of the burning building, after which the fire-escape or other device necessary for the purpose may be conveniently elevated to the window or other portion of the building where most needed for the rescue of person or property" (lines 14-22). It is adapted to assist firemen.
Date: April 18, 1893
Creator: Martin, Johan
Partner: UNT Libraries Government Documents Department

Fence Post

Description: Patent for a fence post. Illustration included.
Date: April 4, 1905
Creator: Percival, Herbert E.
Partner: UNT Libraries Government Documents Department

Electrical Retort.

Description: Patent for a new and useful electrical retort.
Date: April 6, 1898
Creator: Eldridge, Hilliary
Partner: UNT Libraries Government Documents Department

Seed-Planter.

Description: Patent for a seed planter with a combined "furrow opener and seed dropper" (lines 15-16) with adjustable row width and furrow depth. Includes illustrations and instructions.
Date: April 10, 1894
Creator: Thompson, James A.
Partner: UNT Libraries Government Documents Department

Spring-Wheel

Description: Patent for a spring wheel designed to resist weight pressure. Illustrations included.
Date: April 11, 1911
Creator: Hayden, Walter
Partner: UNT Libraries Government Documents Department

Road-Grading And Ditching Machine.

Description: Patent for a new and improved road grading and ditching machine, including instructions and illustrations.
Date: April 18, 1899
Creator: Cornett, James William
Partner: UNT Libraries Government Documents Department

Floor-Sweeping Compound

Description: Patent for an improved floor-sweeping compound which changes the traditional woody filler with a less flammable and more absorbent mineral wool filler.
Date: April 1, 1913
Creator: Boddeker, James A. & Stratford, John E.
Partner: UNT Libraries Government Documents Department
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