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Wrench.

Description: Patent for a "powerful wrench of simple construction, wherein the movement for the operation of the jaws is of slight degree, partially automatic, and easily affected" (lines 41-45).
Date: April 23, 1907
Creator: Tiner, John F.
Partner: UNT Libraries Government Documents Department

Wire-Winding Device

Description: Patent for a wire winding device for repairing wooden bars.
Date: April 23, 1912
Creator: Wilkinson, Charles C.
Partner: UNT Libraries Government Documents Department

Insect-Powder Duster

Description: Patent for "a truck mounted upon wheels, to the reat end of which is adjusted a sifter that, as the machine is progressing, will have lateral reciprocating motion imparted thereto and eject powder through an attached meshed screen" (lines 10-15).
Date: April 23, 1889
Creator: Glover, Charles Bazel
Partner: UNT Libraries Government Documents Department

Leaf for Books

Description: Patent for certain improvements in leaves for books, specifically hotel registers and similar, that materially prolong the life of the leaf.
Date: April 23, 1918
Creator: Moore, William R.
Partner: UNT Libraries Government Documents Department

Wax-Press

Description: Patent for a wax press for pressing oil out of wax that does not have to be opened to test the wax or remove it for use.
Date: April 23, 1912
Creator: Hansen, Julius
Partner: UNT Libraries Government Documents Department

Vault Cash-Indicator.

Description: Patent for a vault cash-indicator meant to "provide a new and improved indicator, designed for indicating an amount of money, commercial articles, &c.; for instance, indicating the amount of money contained in a safe or vault" (lines 7-11).
Date: April 23, 1895
Creator: Hamilton, Samuel R.
Partner: UNT Libraries Government Documents Department

Tuning Device for Pianos.

Description: Patent for "a means whereby the strings of a piano may be easily and deliberately tuned, and when tuned they will be held absolutely rigid and unyielding under all circumstances while the pins are set in wood, thus avoiding any possibility of the jarring of the parts." (Lines 36-42) Includes instructions and illustrations.
Date: April 23, 1895
Creator: Orser, Levi
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 Cultivators.

Description: Patent for improvement in horse-drawn cultivators.
Date: April 23, 1872
Creator: Jordan, Hugh Paxton
Partner: UNT Libraries Government Documents Department

Tractor

Description: Patent for "novel features of construction and combinations of parts" in tractors to ensure a steady, even pace of travel and allow for traversing uneven landscape while maintaining a level setting, including illustrations and instructions.
Date: April 23, 1918
Creator: Altgelt, Herman E.
Partner: UNT Libraries Government Documents Department

Improvement In Cotton-Gin-Saw Cleaners.

Description: Patent for "a device for quickly cleaning the saws of cotton-gins when they become gummed. It consists in a series of knives that are supported by a movable bar or frame, and may be thrust between the saws when the saws are to be cleaned (para. 4-5).
Date: April 23, 1878
Creator: Munger, Robert S.
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Stove

Description: Patent for a hydrocarbon stove that allows irons to be heated on it.
Date: April 23, 1912
Creator: Baker, Edward B.
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

Pump-Jack

Description: Patent for a pump jack for operating the oil well pump rods.
Date: April 23, 1912
Creator: Seybert, Guy W.
Partner: UNT Libraries Government Documents Department

Medicated Salt Rock

Description: Patent for "improved medicated salt rock to be used for keeping cattle, horses, and other live stock in good condition, to serve as a tonic and blood-purifier, also to expel worms from the stomach and intestines, and to eradicate ticks and vermin" (lines 10-15).
Date: April 23, 1901
Creator: Green, Charles O; Wickline, William P. & Eaton, James B.
Partner: UNT Libraries Government Documents Department

Traction-Vehicle

Description: Patent for a wind-powered traction vehicle for pulling farm equipment.
Date: April 23, 1912
Creator: Fletcher, Henry M.
Partner: UNT Libraries Government Documents Department

Spark-Arrester.

Description: Patent for a steam train locomotive spark arrester consisting of curved pipe smoke stack that holds solid particles of exhaust on the edges of the pipe, which are expelled by the force of exhaust gases coming through, into the fire box thereby preventing their escape outside the engine reducing danger from stray sparks. This system also uses less fuel than previous systems.
Date: April 23, 1907
Creator: Chalfant, Cotter Strawn
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a plow that is simpler, more durable, and cheaper to make than previous ones and allows for easier adjustments in plowing depth.
Date: April 23, 1907
Creator: Stafford, George A. & Henry, Edward
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for an improvement on the design of pumps used in the oil industry. This uses a combination of water, sand, grits, and other sediments for deep wells.
Date: April 23, 1920
Creator: Scott, Floyd L.
Partner: UNT Libraries Government Documents Department

Tax-Calculating Device

Description: Patent for a tax calculating device that will calculate the percentages of the total tax that need to go to different agencies.
Date: April 23, 1912
Creator: Goss, George W.
Partner: UNT Libraries Government Documents Department

Method of Welding

Description: Patent for an improved method of welding broken frames in portions of machinery that are difficult to access, with illustrations and instructions.
Date: April 23, 1918
Creator: Brown, Charles Henry
Partner: UNT Libraries Government Documents Department

Stump-Puller.

Description: Patent for an improved design for a stump-puller, using a hoisting derrick and lever to attach to the stump and pull it from the ground.
Date: April 23, 1918
Creator: Weese, Frank
Partner: UNT Libraries Government Documents Department

Surgical and Bathing Apparatus.

Description: Patent for improvements to surgical and bathing apparatus.
Date: April 23, 1918
Creator: Scroggin, Jethro W.
Partner: UNT Libraries Government Documents Department
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