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Wall Construction

Description: Patent for a relatively simple constructed wall that is built using concrete slabs. It is constructed in a manner that requires less material thus resulting in a wall that is hollow all the while providing sufficient strength to hold weight and pressure. Includes illustrations.
Date: April 19, 1921
Creator: Needham, Edward F.
Partner: UNT Libraries Government Documents Department

Vehicle Wheel

Description: Patent for a vehicle wheel. This invention is designed to keep dust and grit out of the axle point and nib. It has a wooden core sheathed in metal. Illustration included.
Date: April 19, 1904
Creator: Polk, James A.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Gins.

Description: Patent for the improvement of the cotton-gin by the arrangement of two cylindrical brushes and rollers to reduce damaging the staple of the cotton, illustrations included.
Date: April 19, 1859
Creator: Gottheil, Edward
Partner: UNT Libraries Government Documents Department

Tool for Tightening Wheel Tires.

Description: Patent for a new and improved tire tightener. This design consists in "[t]he combination of a tubular member having having one end beveled and provided with a transverse hole and provided at its other end with an interiorly-arranged annular shoulder, a set-screw passing through the tubular member and arranged near the shoulder, a nut resting on the tubular member and provided with an extension projecting into the same and bearing on the shoulder and provided with an annular groove receiving the… more
Date: April 19, 1892
Creator: Hamblen, William Henry
Partner: UNT Libraries Government Documents Department

Trace Iron.

Description: Patent for a new and improved trace-iron. This design "is to provide a new and improved trace-iron which is simple and durable in construction and arranged to readily connect with the end of the trace without the employment of rivets and which can be readily attached to or detached from the hame. The invention consists of two leaves pivotally-connected with each other and adapted to fold one on the other, one leaf being provided with a hook passing through an aperture in the other leaf and adap… more
Date: April 19, 1892
Creator: Dankworth, William J.
Partner: UNT Libraries Government Documents Department

Mailing-Galley.

Description: Patent for a mailing galley for cleaning type, which allows the cleaning fluid to drain but keeps the type in the galley.
Date: April 19, 1910
Creator: Zeiske, Richard E.
Partner: UNT Libraries Government Documents Department

Pump-Actuating Mechanism.

Description: Patent for improving measuring pumps "by providing a pump actuating means so constructed that a continuous movement of the crank in one direction will cause a reciprocation of the piston in both directions" (lines 29-33), with illustrations.
Date: April 19, 1921
Creator: Dean, Robert A.
Partner: UNT Libraries Government Documents Department

Mouthpiece for Clarinets

Description: Patent for a mouthpiece for a clarinet and its improvements. The objects for improvement are to secure a better tone for the clarinet, to render the clarinet more easily blown, and to make possible greater variations of loudness and softness in tone.
Date: April 19, 1921
Creator: Redfield, John A.
Partner: UNT Libraries Government Documents Department

Nut Lock.

Description: Patent for a new and improved nut lock. This design consists in "[t]he combination of the bolt, the nut having a dovetailed groove across its face, of uniform width throughout its length, and a recess at one side of said groove, and a key having tapered sides and sliding into the dovetailed groove from one side of the nut, said key having a pointed end to engage the bolt and also provided with a projecting part to be bent over into engagement with the recess in the nut" (lines 69-78).
Date: April 19, 1892
Creator: Robinson, William D.
Partner: UNT Libraries Government Documents Department

Pen or Pencil Holder.

Description: Patent for a new and improved pen or pencil holder. This design obviates "many of the serious objections to the ordinary pen-holder . . . among which may be mentioned cramp and that which is known as 'writer's paralysis.' In addition to this the use of this device will save many tedious hours to the child who is learning to write, as by its use no time will be wasted in teaching the child how to hold his [or her] pen or pencil" (lines 69-77).
Date: April 19, 1887
Creator: Merrick, Sarah J.
Partner: UNT Libraries Government Documents Department

Peg for Violins.

Description: Patent for a new and improved violin peg. This design "has for its object to dispense with the usual string-aperture in the peg and to so construct the peg that a string may be expeditiously, conveniently, and securely attached thereto and as readily and conveniently removed therefrom, as desired, and to accomplish these objects without disfiguring the peg" (lines 11-18).
Date: April 19, 1892
Creator: Rowe, George H.
Partner: UNT Libraries Government Documents Department

Game Apparatus.

Description: Patent for a new and improved game. This design "relates to that class of game apparatus in which tilting levers or arms located at the end of an alley or board and bearing numerals designating their value in the game are designed to be struck by balls, so as to displace or change the position of said levers. The invention consists in the construction and combination of the parts forming the apparatus" (lines 14-22).
Date: April 19, 1881
Creator: Pittman, William D.
Partner: UNT Libraries Government Documents Department

Electric Battery.

Description: Patent for a new and improved electric battery. This design consists "[i]n an electric generator, a receptacle for steam, and means for admitting steam thereto, in combination with electrodes consisting of two parallel disks suspended within said steam-receptacle, electrodes of opposite polarity to the aforesaid electrodes arranged between the disks of the first-named electrodes, a shaft extending through the said receptacle upon which the latter electrodes are mounted, and means for rotating t… more
Date: April 19, 1892
Creator: Emley, James Edward
Partner: UNT Libraries Government Documents Department

Elevating Brick Car

Description: Patent for an elevating brick car. This invention "is to improve construction of elevating brick cars or trucks and to provide a simple, inexpensive, and efficient car or truck designed for use in a brick yard for carrying bricks from a machine to a yard, kiln, or drier" (line 11-17). Illustrations included.
Date: April 19, 1904
Creator: Zilker, Andrew J.; Tidmarsh, Albert L. & Armstrong, Charles J.
Partner: UNT Libraries Government Documents Department

Docket, Record, or Similar Book

Description: Patent for a docket, record or similar book that places all necessary material together for recording events, adjusting the space for each title head so that it is sufficient, easing the strain on accountants who need to continue entries, and also make sure the book is easy and efficient to make.
Date: April 19, 1892
Creator: Fry, Edwin Crittenden
Partner: UNT Libraries Government Documents Department

Disk-Plow.

Description: Patent for a riding disk plow, which uses less horsepower, has no side draft, and does not get clogged in wet conditions.
Date: April 19, 1910
Creator: Martin, John H.
Partner: UNT Libraries Government Documents Department
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