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Knife.

Description: Patent for improvement in pruning-knives by creating a hollow slot in the handle of the knife and a pivoted blade; in which the blade can be pull out of the slot when in use and place it back to the slot when it is not in use. Illustration is included.
Date: March 4, 1902
Creator: Zwicker, August
Partner: UNT Libraries Government Documents Department

Instep-Plate for Shoes

Description: Patent for a protector for the instep of a shoe. Illustrations included.
Date: February 4, 1913
Creator: Glenn, Columbus Walter
Partner: UNT Libraries Government Documents Department

Improvements in Steam Engine

Description: Patent for improvements in steam-engines. The goal of this invention to provide a simple construction that can be equally adapted for locomotives and high speed engines.
Date: August 4, 1903
Creator: Dickson, Henry L.
Partner: UNT Libraries Government Documents Department

Indicator

Description: Patent for an indicator. This invention is for keeping track of a grocer's list. Illustrations included.
Date: December 4, 1906
Creator: Ellis, Harley Sigal
Partner: UNT Libraries Government Documents Department

Insect-Trap

Description: Patent for an insect trap which attracts insects with a light and contains them.
Date: April 4, 1911
Creator: La Baum, Francis M.
Partner: UNT Libraries Government Documents Department

Insect Exterminator

Description: Patent for an insect exterminator that removes insects from plants and then sprays a solution. Illustrations included.
Date: September 4, 1906
Creator: Ferriott, Charles L. & Logan, Malcolm H.
Partner: UNT Libraries Government Documents Department

Lifting-Frame.

Description: Patent for a lifting frame for hoisting engines, which allows a car to be put under the engine easily.
Date: May 4, 1909
Creator: Knox, Hiram
Partner: UNT Libraries Government Documents Department

Ironing-Table.

Description: Patent for improvements to ironing tables, including a narrow folding table top by which to iron sleeves and small articles, a means by which "depending articles" may be kept out of the way and off the floor (and thus clean), and an iron holder.
Date: December 4, 1900
Creator: Wren, James F. & Grant, Nancy E.
Partner: UNT Libraries Government Documents Department

Improvements In Ironing-Machines

Description: Patent for new and useful improvements in the ironing machine. Machine has carrying case that is mounted on wheels and allows the iron to move over garments as it straightens out wrinkles.
Date: May 4, 1875
Creator: Perrenot, George F
Partner: UNT Libraries Government Documents Department

Improvement in Wagon-Brakes.

Description: Patent for "wagons which have brakes applied to them, so constructed that in descending a grade the brakes will be automatically applied, and, in moving on a level or ascending a hill, the brakes will be relieved from the wheels." (Lines 6-11) Includes instructions and illustrations.
Date: December 4, 1877
Creator: Hart, Alfred
Partner: UNT Libraries Government Documents Department

Improvement in Vises

Description: Patent for new construction for vises that will "enable the vise to be set and secutured in any desired position and thus hold the work in a position convenient to the operator" (lines 8-10).
Date: November 4, 1879
Creator: Zanetti, Fortonato C.
Partner: UNT Libraries Government Documents Department

Improvement in Toilet-Cabinets

Description: Patent for improved toilet cabinets in order to better arrange "cabinets for containing sewing, writing, and shaving materials and various other articles" (lines 8-10). Provides instructions and illustrations.
Date: November 4, 1879
Creator: Zanetti, Fortonato C.
Partner: UNT Libraries Government Documents Department

Improvement in Paper-Clips.

Description: Patent for the improvement of paper-clips, made out of a single piece of metal. It includes a description and illustration.
Date: June 4, 1872
Creator: Franklin, Edward A.
Partner: UNT Libraries Government Documents Department

Improvement in Fences

Description: Patent for an improvement in fences through the manufacturing of a fence or fence-paneling of hoop-iron, so that it may be sold in sections of any desired length, rolled up in compact form, easily and cheaply transported to any distance, and put up by the farmer with rapidity and facility.
Date: June 4, 1872
Creator: Brown, Floyd G.
Partner: UNT Libraries Government Documents Department

Improvement in Sheet-Metal Hames

Description: Patent for improvement in hames by constructing them of sheet metal in order to prevent flatenning and wear on the hame. Explains how sheet metal hames are also flexibile in many attributes and because of this they are beneficial in many ways. Illustrations provided.
Date: November 4, 1879
Creator: Brown, John S.
Partner: UNT Libraries Government Documents Department

Treadle.

Description: Patent for a new and improved treadle. This design "has for its object to provide an adjustable pad . . . preferably formed of rubber, to the ordinary iron treadle . . . and may be detached therefrom, as desired. . . . whereby wear of the shoes is saved and cold feet will be avoided" (lines 10-24).
Date: December 4, 1883
Creator: Johnson, William Oscar
Partner: UNT Libraries Government Documents Department

Improvement in Floor-Clamps.

Description: Patent for an improvement in floor clamps, including illustrations.
Date: March 4, 1873
Creator: Foster, John J.
Partner: UNT Libraries Government Documents Department

Improvement in Machines for Making Plow-Irons.

Description: Patent for an improvement in the design for machines for manufacturing plow irons, including illustrations.
Date: March 4, 1873
Creator: McGinty, James M. & Nolan, Thomas.
Partner: UNT Libraries Government Documents Department

Improvement in Lock-Faucets.

Description: Patent for a improvement in lock faucets, includes instructions and illustration.
Date: June 4, 1878
Creator: Seward, Marion F.
Partner: UNT Libraries Government Documents Department

Improvement in Machine for Cutting Stalks in the Field Preparatory to Plowing.

Description: Patent for improvement in machine for clearing cotton and corn-fields of the stalks after the crops have been gathered by “providing a revolving drum or roller with knives, set spirally around it, which cut the stalks of cotton or corn-fields into pieces of any desired length, for the purpose of being plowed under the surface for fertilizing, by rolling it over them.” (Lines 14-19) Illustration is included.
Date: May 4, 1869
Creator: Wright, Reuben
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel

Description: Patent for a vehicle wheel with a tire that is improved with a spring cushion.
Date: January 4, 1921
Creator: Allan, William N.
Partner: UNT Libraries Government Documents Department

Vacuum-Energized Make-and-Break Spark-Plug.

Description: Patent for a vacuum-energized make-and-break spark plug that "relates to new and useful improvements in ignition apparatus for internal combustion engines" (lines 16-18) including instructions and illustrations.
Date: June 4, 1918
Creator: Irwin, Herbert Glen
Partner: UNT Libraries Government Documents Department

Transmission-Gearing.

Description: Patent for "improvements in variable speed transmission gearing, adapted for use upon automobiles or the like, while not necessarily restricted to such use. An important object of the invention is to provide apparatus of the above mentioned character, which is so constructed that the various speeds may be obtained in a highly expeditious and convenient manner" (lines 11-17) including an illustration and instructions.
Date: June 4, 1918
Creator: Pilcher, Newton R.
Partner: UNT Libraries Government Documents Department
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