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Artificial Stone Block.

Description: Patent for a new and improved artificial-stone block. This design "consists in the particular formation of the protuberances by which interlocking joints or seams of the building-blocks are attained, the object of which is to so form the prolific protuberances of said blocks as to permit joining them in close proximity on all the sides or faces of the seam, to reduce the binding material for the same and increase the strength of the same" (lines 14-22).
Date: May 3, 1892
Creator: Graham, George M.
Partner: UNT Libraries Government Documents Department

Well-Screen.

Description: Patent for a well-screen formed of perforated pipes for oil production to filter sand and detritus, including illustrations.
Date: June 3, 1919
Creator: Mack, James O.
Partner: UNT Libraries Government Documents Department

Locomotive-Pedestal

Description: Patent for a locomotive pedestal. Illustrations included.
Date: January 3, 1911
Creator: McCormick, George
Partner: UNT Libraries Government Documents Department

Machine for Disintegrating Fibrous Plants

Description: Patent for a machine that filters out the pulp from fibrous plants to obtain their fiber. Illustrations included.
Date: March 3, 1908
Creator: Hartman, Emil
Partner: UNT Libraries Government Documents Department

Machine For Forming Cotton-Seed Meal Into Cakes.

Description: Patent for "an organized machine adapted to compress charges of cotton-seed meal into cakes of sufficient solidity to bear handling and removing to the press which expresses the oil from the meal, and to carry said cakes from the point where they are compressed to a point or points in convenient proximity to the press or presses which express the meal" (lines 8-16).
Date: June 3, 1890
Creator: Price, James S.
Partner: UNT Libraries Government Documents Department

Improvement in Mosquito-Net Frames.

Description: Patent for "mosquito-net frames which are made adjustable, so that they may be extended over the bed or folded compactly, according to the requirements of use." (Lines 8-11) Includes instructions and illustrations.
Date: April 3, 1877
Creator: Volle, Johann F.
Partner: UNT Libraries Government Documents Department

Hydraulic Swivel.

Description: Patent for a new type of swivel. This swivel allows for adjustments without removing any parts on the outside of the swivel. The parts are also made more simplistic and of stronger material.
Date: August 3, 1909
Creator: Layne, Mahon E. & Hall, Samuel N.
Partner: UNT Libraries Government Documents Department

Spectacles

Description: Patent for reading glasses. Illustrations included.
Date: May 3, 1910
Creator: Donaldson, James W.
Partner: UNT Libraries Government Documents Department

Pneumatic Cotton-Conveyer.

Description: Patent for "an improvement in pneumatic cotton-conveyers, particularly with relation to means for putting the exhaust-pipe which leads to the elevator in communication with either of a series of intake-pipes at will and for relieving the partial vacuum caused by the operation of the exhaust-fan at will." (lines 8-14)
Date: March 3, 1903
Creator: Richmond, George Eustace
Partner: UNT Libraries Government Documents Department

Washer for Well Screens.

Description: Patent for improvements in a washer for well screens relating to oil wells, using a fluid conducting tube, to be let down in a well.
Date: June 3, 1919
Creator: Mack, James O.
Partner: UNT Libraries Government Documents Department

Hole-Straightener

Description: Patent for a hole straightener for use in drilling oil wells.
Date: December 3, 1912
Creator: Decker, Harry R.
Partner: UNT Libraries Government Documents Department

Self-Closing Bundle-Receptacle.

Description: Patent for a receptacle basket that attaches to the side of an automobile and closes automatically using springs and hinges.
Date: May 3, 1921
Creator: Cardwell, Charles E.
Partner: UNT Libraries Government Documents Department

Rotary Engine.

Description: Patent for a simply-constructed rotary, steam-powered engine that minimizes friction and noise, and for which wear is automatically compensated. It is "capable of running at a very low or high speed without subjecting the parts to any unusual strains or wear" (lines 16-18). One lever controls the steam supply and can reverse the movement of the engine cutting off.
Date: November 3, 1896
Creator: Wilson, Alonzo T.
Partner: UNT Libraries Government Documents Department

Oil and Water Well Strainer

Description: Patent for an oil and water well strainer used to filter out the sand. Illustrations included.
Date: March 3, 1908
Creator: Decker, Harry R.
Partner: UNT Libraries Government Documents Department

Plumb-Level

Description: Patent for a plumb level that can have its stock changed.
Date: December 3, 1912
Creator: Niedergang, Antoine
Partner: UNT Libraries Government Documents Department

Cotton or Hay Press.

Description: Patent for a new and improved baling press. This design consists in "the combination, with the follower-screw, the worm and worm-shaft, the combined worm-gear and nut, and the base-plate having a peripheral ledge . . . of the plate having bearings for said worm shaft and an annular portion which encircles said base-plate, and the bolts which pass through both such annular portion and base-plate for securing them together and to the base-timbers of the press" (lines 73-82).
Date: May 3, 1887
Creator: McGowen, Allexander
Partner: UNT Libraries Government Documents Department

Garbage-Receptacle

Description: Patent for garbage receptacle that exhibits a hinged lid (attached to pail), enabling one to securely open and close the receptacle at will.
Date: May 3, 1913
Creator: Lubbock, William L.
Partner: UNT Libraries Government Documents Department

Cuspidor.

Description: Patent for a cover of a cuspidor for sanitation.
Date: September 3, 1918
Creator: Kessler, John A.
Partner: UNT Libraries Government Documents Department

Cattle-Guard for Railroads.

Description: Patent for an improved and inexpensive railroad cattle-guard that "can be readily secured to the road-bed of a railroad, as well as easily removed therefrom, as in case of needed repair, or for other purposes" (lines 19-22). The invention provides an uneven surface for the cattle to walk on.
Date: December 3, 1895
Creator: Lee, Jacob M.
Partner: UNT Libraries Government Documents Department

Car-Wheel Chill

Description: Patent for a car wheel chill. Illustrations included.
Date: December 3, 1907
Creator: Carr, Benjamin M.
Partner: UNT Libraries Government Documents Department
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