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Selective Telegraph System.

Description: Patent for a selective telegraph switch which allows current to be directed to a specific place and will minimize resistance.
Date: July 22, 1913
Creator: Edwards, Claude, M.
Partner: UNT Libraries Government Documents Department

Mosquito Bar Frame.

Description: Patent for a new and improved mosquito-bar frame. This design "consist[s], essentially, of the upright bars having their upper ends reduced . . . and provided with staples, the brackets, having loops at opposite ends and a pintle on its lower branch to enter the staples in the posts, the lateral rods carrying the loop brackets at opposite ends, and sockets . . . to receive the upper ends of the posts, the inner cross-bar arranged in the inner brackets of the lateral rods, the outer cross-bar ar… more
Date: July 29, 1890
Creator: Meyers, John Henry
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Harvesters.

Description: Patent for "the construction and arrangement of a cotton-picking machine" (lines 15-16) using wire brushes on rods and chains, including illustrations.
Date: July 31, 1877
Creator: Graves, Clinton E.
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for a new and useful acetylene gas generator, including instructions and illustrations.
Date: July 18, 1899
Creator: Eldridge, Hilliary & Blum, Sylvain
Partner: UNT Libraries Government Documents Department

Design for Insect Guard for Furniture

Description: Design patent for an insect-guard for furniture that is both useful and ornamental.
Date: July 6, 1897
Creator: Collier, John Charlis
Partner: UNT Libraries Government Documents Department

Feeder for Power Printing-Presses

Description: Patent for improvements in the construction feeders for power printing presses.
Date: July 2, 1889
Creator: Orser, Levi
Partner: UNT Libraries Government Documents Department

Fire-Escape.

Description: Patent for improvements in fire-escapes “in which a rope forming part of the device, has its upper end attached within a window or other opening of a building and is connected with apparatus to raise and lower an ascending fireman or other person escaping from the building.” (Lines 16-21) Illustration is included.
Date: July 7, 1891
Creator: Rutledge, William O.
Partner: UNT Libraries Government Documents Department

Sanitary Flooring

Description: Patent for sanitary flooring to be used in toilet rooms to protect from unsanitary floors and odors. Illustrations included.
Date: July 6, 1909
Creator: Clayton, Nicholas J.
Partner: UNT Libraries Government Documents Department

Self-Oiling Handsaw.

Description: Patent for invention of a handsaw which is an improvement of current version. This is simple, low cost and convenient handsaw and is operated easily without removing the grip.
Date: July 18, 1916
Creator: Pearson, Robert Bartley
Partner: UNT Libraries Government Documents Department

Rocking-Chair Fan.

Description: Patent for a rocking chair fan that spins when the operator begins rocking in the chair. It easily adjusts to any model of rocking chair and is noiseless.
Date: July 21, 1896
Creator: Martyr, Leonard W. & Martyr, Ernest E.
Partner: UNT Libraries Government Documents Department

Folding Cot or Bedstead.

Description: Patent for certain new and useful improvements in folding cots or bedsteads, including instructions and illustrations.
Date: July 19, 1898
Creator: Rimmelin, Edward H.
Partner: UNT Libraries Government Documents Department

Flexible Joint.

Description: Patent for a flexible joint for rigid pipes that allows the pipes to be taken around a bend or moved around easily in the operation of a sand pump or hydraulic dredging machine.
Date: July 7, 1908
Creator: Brown, Martin William
Partner: UNT Libraries Government Documents Department

Bicycle-Gear.

Description: Patent for a Bicycle-Gear meant to rotate the sprocket or other gear wheel on a bicycle, Including Illustrations.
Date: July 3, 1900
Creator: Brady, Alford
Partner: UNT Libraries Government Documents Department

Automobile Torpedo

Description: Patent for a submarine torpedo which explodes in the hull of a vessels it hits.
Date: July 18, 1911
Creator: Douglas, William M.
Partner: UNT Libraries Government Documents Department

Boring and Mortising Machine.

Description: Patent for a machine to bore square holes in substitute for a chisel and reduce labor, including illustration. The inventor calls it a "Mortise and Tenon Machine."
Date: July 11, 1848
Creator: Swingle, Alfred
Partner: UNT Libraries Government Documents Department

Book-Sewing Machine.

Description: Patent for improvements in book sewing machines, the descriptions are included by figures.
Date: July 16, 1867
Creator: Sims, Ferdinand
Partner: UNT Libraries Government Documents Department

Carbureter.

Description: Patent for a new and improved carburetor. This design calls for "the apparatus [to be] submerged in water for the purpose of equalizing the temperature of the carbureting-liquid, and thereby imparting a more uniform illuminating quality to the gas; also obviating the danger of explosion from access of flame to the exterior of the apparatus" (para. 2).
Date: July 18, 1876
Creator: Pollard, James M. & Barton, Wallace R.
Partner: UNT Libraries Government Documents Department

Apparatus for Producing Ammoniacal Gas.

Description: Patent for a new and improved refrigerator and ice machine. This design "consists in an improved construction, whereby the gas is relieved of its moisture before entering the condenser, a better apparatus is obtained, and repairs are facilitated and cheapened" (lines 12-16).
Date: July 21, 1885
Creator: Lee, Charles B.
Partner: UNT Libraries Government Documents Department

Combined Ruler and Blotter

Description: Patent for a ruler that can also be used as a blotter. Illustrations included.
Date: July 25, 1911
Creator: Muller, Frederick William, Jr.
Partner: UNT Libraries Government Documents Department
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