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Corn-Heading Knife.

Patent for a corn cutting knife that straps to the hand and protects the fingers for a more efficient harvesting of corn and maize.

Date: May 2, 1916

Creator: Buchanan, Lemuel O.; Maddox, John S.; Russell, James P. & Speers, Albert

Partner: UNT Libraries Government Documents Department

Apparatus for Calcining Plaster

This patent is for an apparatus for calcining plaster of any kind. Or an apparatus that keeps clean the inner surface of a revoluble drum for ventilating the drum during the calcining operation. The apparatus also provides for easily removing the material after the completion of the cooking operation (Lawrence, 1902).

Date: unknown

Creator: Lawwrence, Ambrose

Partner: UNT Libraries Government Documents Department

Cement Kiln

Patent for a new and improved cement kiln for drying gypsum and other materials employed in the manufacture of cement and plaster.

Date: April 28, 1902

Creator: Malone, Samuel R.

Partner: UNT Libraries Government Documents Department

Cement.

Patent for cement of the type commonly known as Keene's cement, which is harder and glossier than other types of cement.

Date: March 23, 1909

Creator: Jones, Thomas

Partner: UNT Libraries Government Documents Department

Combined Cotton Chopper and Cultivator.

Patent for a combined cotton chopper and cultivator, which allows cotton to be chopped earlier and to be done by one person.

Date: November 17, 1908

Creator: Agee, Jonathan F.

Partner: UNT Libraries Government Documents Department

Cement Plaster Kettle

Patent for a cement plaster kettle. This "invention is an improvement in kettles for cooking gypsum in order to convert the same into cement-plaster" (line 8-10). Illustration included.

Date: April 5, 1904

Creator: Malone, Charles Henry

Partner: UNT Libraries Government Documents Department

Combined Statement-Blank and Envelop.

Patent for combining statement-blank and envelop that comprises a signature that provides the ability to add the bank statements in a paper that could be folded to create an envelop.

Date: November 14, 1905

Creator: Harwell, Mace

Partner: UNT Libraries Government Documents Department

Cement.

Patent for cement that is better or equivalent to Keene's cement from England, made from pure gypsum and various chemicals and only calcinated once.

Date: May 7, 1907

Creator: Jones, Thomas

Partner: UNT Libraries Government Documents Department

Cotton-Gatherer.

Patent for a cotton gatherer, which harvests the cotton and boll at the same time.

Date: October 4, 1910

Creator: Ayers, Robert M.

Partner: UNT Libraries Government Documents Department

Cement Plaster.

Patent for a cement plaster that is similiar to "Keene's" cement.

Date: February 28, 1911

Creator: Cady, Jephtha Daniel

Partner: UNT Libraries Government Documents Department

Cooling and Disinfecting Device.

Patent for improvements in fluid cooling and disinfecting devices. The primary object of improvements is "to provide a simple, inexpensive and efficient device of this character which will be well adapted to the purpose for which it is designed."

Date: February 23, 1915

Creator: Womack, Samuel W.

Partner: UNT Libraries Government Documents Department

Churn.

Patent for a new and improved hand churn, that rests on any flat surface to create better support during use.

Date: February 10, 1914

Creator: Trout, Ed T.

Partner: UNT Libraries Government Documents Department

Cotton-Separator

Patent for an apparatus for cleaning seed cotton and separating the dust and dirt therefrom prior to the ginning operation. The apparatus will have a perforated metal disk or wheel where cotton will readily slide off, instead of getting clogged. The separator wheel will have a smooth plane surface that will cause no injury to the cotton and the entire surface is freely exposed and unobstructed.

Date: September 7, 1915

Creator: Hughes, James Y.

Partner: UNT Libraries Government Documents Department

Automatic Train-Stop

Patent for Automatic Train-Stops "particularly to a system operable in connection with well-known airbrake systems to apply the airbrakes, and shut off the power when an accident of a predetermined character occurs." (lines 10-14) including instructions and illustrations.

Date: May 16, 1916

Creator: Estes, Betram P.

Partner: UNT Libraries Government Documents Department

Car-Replacer

Patent for car replacer. It is an improvement to "what is called a 'frog' or a 'shoe'." The invention involves "two frogs or shoes which are used together" and are used "in such a way as to replace a car truck. . ." (Ledbetter)

Date: December 1, 1914

Creator: Ledbetter, Louis H.

Partner: UNT Libraries Government Documents Department

Cooking Utensil.

Patent for cooking utensil designed for roasting coffee, popping corn, roasting meat, and other food by hand over a fire or flame by rotating. The device is made of metal and mesh, turns by cranking, and the length of the shaft is adjustable for stability.

Date: June 17, 1919

Creator: Bogue, Robert J.

Partner: UNT Libraries Government Documents Department

Cotton Chopper.

Patent for cotton chopper that frees the plants from the "weeds and the soil thereabout cultivated in but a single operation" (lines 14-16).

Date: February 11, 1919

Creator: Goodman, William T.

Partner: UNT Libraries Government Documents Department

Two Wheeled Vehicle.

Patent for a new and improved two-wheeled vehicle. This design consists, "with the vehicle-body, the side springs secured thereto, and the bow-shaped brackets secured to said springs, of the axle and the shafts secured to the axle, the links pivoted to the axle and the said brackets and suspending the vehicle-body from the axle, the spring having its rear end secured to the vehicle body and provided with an eye at its front end, the cross-bar connecting the shafts, an eyebolt depending from the… more

Date: October 21, 1890

Creator: Harper, William D.

Partner: UNT Libraries Government Documents Department

Insecticide.

Patent for improvements in poisons for prairie-dogs, a “chemical compositions adapted to destroy vermin and more particularly prairie-dogs; but it may also be used to destroy many other sorts of vermin, including birds and insects.” (Lines 12-16) Ingredients and instruction of how to mix this compound are included. No illustration.

Date: July 28, 1891

Creator: Staples, David W.

Partner: UNT Libraries Government Documents Department

Lock

Patent for a lock used to secure the openings of grain bags. Illustrations included.

Date: May 17, 1910

Creator: Chambless, James A.

Partner: UNT Libraries Government Documents Department

Lawn-Mower

Patent for a lawnmower. Illustrations included.

Date: January 2, 1912

Creator: Klock, George W.

Partner: UNT Libraries Government Documents Department

Stalk-Cutter.

Patent for a stalk cutter for cutting dead stalks left over from the last crop that has an improved rotary cutter and lifting mechanism.

Date: October 22, 1907

Creator: Klock, George Wade

Partner: UNT Libraries Government Documents Department

Tag-Holder.

Patent for a tag holder for attaching to boxes and cases.

Date: September 10, 1907

Creator: Guinn, James J.

Partner: UNT Libraries Government Documents Department

Method of Purifying Water

Patent for a method of purifying water.

Date: October 25, 1904

Creator: Jones, Thomas

Partner: UNT Libraries Government Documents Department

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