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Phonograph-Machine.

Description: Patent for a new phonograph machine with improvements of sound-box-transversing mechanisms and uniformity of movements, including illustrations.
Date: April 17, 1906
Creator: Dubinski, Benjamin.
Partner: UNT Libraries Government Documents Department

Improvements to Demountable Wheels

Description: Patent for a new design for the demountable wheel with a new simple and strong construction that is made of a lighter pressed steel that may be manufactured at a relatively lower cost.
Date: April 18, 1916
Creator: Simmons, Oliver G.
Partner: UNT Libraries Government Documents Department

Adjustable Trunk-Rack

Description: Patent for a trunk-rack that is adjustable and sturdy. The trunk-rack design indicates that the rack has wheels and adjustable components to accommodate various sized pieces of luggage.
Date: April 15, 1919
Creator: Wessinger, Lon Woodram
Partner: UNT Libraries Government Documents Department

Wrapper.

Description: Patent for the creation of a file made of cardboard, canvas, and cords made for sending articles such as drawings, fabrics, and such through the mail.
Date: April 6, 1915
Creator: Page, Harvey L. & Burnett, Robert L., Sr.
Partner: UNT Libraries Government Documents Department

Wrench and Cutter.

Description: Patent for a simple, durable, and economic wrench and cutter that is easily used to turn nuts, pipes, or to cut pipes. The wrench does not need to be removed while cutting.
Date: April 18, 1893
Creator: Fletcher, Theodore
Partner: UNT Libraries Government Documents Department

Machine for Clamping and Nailing Boards.

Description: Patent for a "machine whereby boards for floors, ceiling or sheathing may be forced into place and into contact with previously nailed boards without damage and held clamped into position until nails can be driven into the boards and into the joints" (lines 29-34), with illustrations.
Date: April 11, 1916
Creator: Binger, Nickolaus
Partner: UNT Libraries Government Documents Department

Liquid Measure and Strainer

Description: This patent relates to devices for measuring and straining liquids and discharging them into a receptacle or tank without exposing the liquids after being strained to the atmosphere or rendering the liquid liable to be deteriorated by dust or other foreign matter.
Date: April 2, 1918
Creator: Doolin, Charles B.
Partner: UNT Libraries Government Documents Department

Weight-Motor.

Description: Patent for a fan, which includes improvements in the arrangement of gears and the addition of a casing with a weighted motor.
Date: April 20, 1915
Creator: McQueen, Charley
Partner: UNT Libraries Government Documents Department

Machine for Shelling Nuts.

Description: Patent for a machine for shelling pecans that keeps the nut meat intact.
Date: April 25, 1911
Creator: Roach, Walter Albert Joseph
Partner: UNT Libraries Government Documents Department

Tub Holder

Description: Patent for improvements made to tub holders, primarily to suit tubs of various sizes for heating water. Purposes for holding tubs include boiling water for clothes and food. The improvements focus on support of the tubs, and allow for rotation of tubs with ease and efficiency.
Date: April 28, 1914
Creator: Dullnig, Adolph Cleveland
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.
Partner: UNT Libraries Government Documents Department

Vehicle-Tire

Description: Patent for a vehicle tire with improved springs.
Date: April 23, 1912
Creator: Banks, Theodore H.
Partner: UNT Libraries Government Documents Department

Improvement in Stalk-Pullers.

Description: Patent for an "improved machine designed especially for pulling cotton-stalks, but which may be used with advantage for pulling other stalks, weeds, &c., and which shall be so constructed as to clear itself of the stalks as they are pulled" (para. 4).
Date: April 11, 1876
Creator: Butler, George W. & O'Connell, Timothy P.
Partner: UNT Libraries Government Documents Department

Improvement in Seed-Planters.

Description: Patent for improvement in seed-planters by using a combination of lock-lever, bars, set-screw and a tongue to “construct accurate planters in which the planting may be readily done in exact check row, and which will allow the dropping device to be instantly thrown into or out of gear when desired.” (Lines 16-19) Illustration is included.
Date: April 13, 1869
Creator: Herrin, I. F.
Partner: UNT Libraries Government Documents Department

Improvement in Needle-Threaders for Sewing-Machines.

Description: Patent for improvement in needle-threaders for sewing machines by using an “eyelet-frame that formed by two equal parallelopipeds. These parallelopipeds are being kept together by two springs and may be separated by pressing the pins toward each other.” (Lines 32-35) “The axis of a conical eyelet will be laid in the joint planes of the parallelopipeds, its apex in the front side, its basis in the opposite side of the eyelet-frame, through which eyelet the thread has to pass when the instrument… more
Date: April 20, 1869
Creator: Thielepape, Wilhelm C. A.
Partner: UNT Libraries Government Documents Department

Trap

Description: Patent for a trap for rodents. The invention consists of multiple doors for actuation by the weight of the rodent. Illustration included.
Date: April 16, 1907
Creator: Yturri, Henry
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Ties.

Description: Patent for improvement to "class of bale-ties in which the bands are secured by means of a fastening or key which passes through slots in the ends of the band." (lines 13-16)
Date: April 2, 1878
Creator: Howard, William Henry; Broussard, Camille E. & Hutchins, Rush M.
Partner: UNT Libraries Government Documents Department

Manifold-Writing Tablet.

Description: Patent for writing platform which allows for the creation of carbon copies.
Date: April 1, 1879
Creator: Morris, Robert, C.
Partner: UNT Libraries Government Documents Department

Hose-Washer.

Description: Patent for improvement in efficiency of hose washers. Patent helps to prevent accidental detachment of a hose via the use of a "resilient wire" designed to strengthen the connection. Citation: Calvert, Walter Riley. Hose-Washer., patent, April 27, 1915; [Washington D.C.]. University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; crediting UNT Libraries Government Documents Department.
Date: April 27, 1915
Creator: Calvert, Walter Riley
Partner: UNT Libraries Government Documents Department

Electric-Lamp Attachment.

Description: Patent for an electric-lamp attachment, "the primary object of this invention being the provision of a lamp socket attachment of supporting means in combination with a switch, whereby the current energizing the filament of an incandescent lamp is so controlled as to produce different degrees of incandescence in the filament and thus produce different degrees of radiance to produce a dim or a highlight as may be desired" (lines 9-18). Illustrations included.
Date: April 23, 1912
Creator: McNeel, William Pinkney
Partner: UNT Libraries Government Documents Department

Paper-Folding Machine.

Description: Patent for a paper-folding machine that is intended to fold letters and insert them into envelopes.
Date: April 21, 1914
Creator: Causey, Charles W.
Partner: UNT Libraries Government Documents Department

Mold and Angle-Piece Used in Constructing Concrete Walls

Description: Patent for tools to create uniform concrete pieces and angles, with description of use and improvements and illustrations.
Date: April 13, 1886
Creator: Carrico, Thomas W.
Partner: UNT Libraries Government Documents Department

Time-Strike for Watch and Clock Movements.

Description: Patent for time striking mechanism for watches and clocks that strikes different amounts of time for the quarters of an hour so that the approximate time may be known when there is no light available to see the clock face.
Date: April 14, 1908
Creator: Stricker, Carl H. J. & Meyer, Edward
Partner: UNT Libraries Government Documents Department

Mandolin

Description: Patent for a mandolin that is made out of an animal (armadillo) and wood.
Date: April 11, 1911
Creator: McCullough, William
Partner: UNT Libraries Government Documents Department
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