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Ledger with Visible Index.

Description: Patent for a ledger with a visible index of numbers and names with tabs to allow accounts to be looked up easily.
Date: April 19, 1910
Creator: Kellner, Eugene
Partner: UNT Libraries Government Documents Department

Projectile

Description: Patent for "an improved projectile for guns and ordnance of various classes and bores" (lines 7-9).
Date: April 9, 1901
Creator: Cole, William Franklin
Partner: UNT Libraries Government Documents Department

Stalk-Cutter Attachment

Description: Patent for improvements to stalk-cutter attachments to plows. The invention allows stalks to be cut by the plow and then turned under it into the soil to decrease labor an improve plow performance.
Date: April 7, 1919
Creator: Wylie, Arthur E.
Partner: UNT Libraries Government Documents Department

Stump-Puller.

Description: Patent for a stump-puller that "can be quickly assembled and taken apart, to devise a device which will admit of the rope being quickly paid off from the capstan after the stump has been uprooted, and, finally, to provide a machine which can be easily handled and which will perform the required work in a rapid and satisfactory manner and which can be transported from one stump to the other by being dragged upon the ground" (lines 10-19).
Date: April 7, 1896
Creator: Widmer, Louis J.
Partner: UNT Libraries Government Documents Department

Pneumatic Pillow.

Description: Patent for improvements to pneumatic pillows, specifically the ventilator within the pillow.
Date: April 9, 1918
Creator: Kelly, Ida
Partner: UNT Libraries Government Documents Department

Furnace.

Description: Patent for portable field furnaces, that also provide a heating chamber that can engage the walls of containers of various sizes.
Date: April 4, 1916
Creator: Winchell, Frederick A.
Partner: UNT Libraries Government Documents Department

Harness Fastner

Description: Patent for a harness fastener. Illustration included.
Date: April 12, 1904
Creator: Cornitius, Ermst
Partner: UNT Libraries Government Documents Department

Provision Safe.

Description: Patent for a new and improved safe. This design "has for its objects, among others, to provide a simple, cheap, and economical safe, in which provisions may be kept cool during the hot season and from freezing during the winter weather. I provide a suitable post or support, from which extend brackets, shelves, or hooks or other provisions for the support of the various articles to be contained therein. [T]he whole [is covered] with a cloth and [has] a water tank or receptacle at the upper end a… more
Date: April 26, 1892
Creator: Schrib, Juni
Partner: UNT Libraries Government Documents Department

Mattress Making Machine

Description: Patent for a mattress making machine. Illustration included.
Date: April 6, 1909
Creator: White, Charles W.
Partner: UNT Libraries Government Documents Department

Motor.

Description: Patent for improving the “’multiple cylinder rotary engine’“ (lines 9-10) through "controlling devices" (line 24) that are both automatic and manual and help engine pistons function more effectively. This patent builds upon earlier patents regarding motor design by the inventor, and will connect to a generator concurrently patented by the inventor. Detailed explanations and illustrations included.
Date: April 1, 1902
Creator: Walker, James C.
Partner: UNT Libraries Government Documents Department

Percolator.

Description: Patent for a percolator for coffee or tea that is "reliable and efficient in its operation, readily and easily adjusted to fit the various sizes of pots and also inexpensive in manufacture." (lines 44-47)
Date: April 20, 1920
Creator: Rose, Isabell M.
Partner: UNT Libraries Government Documents Department

Overall Jacket Or Waist.

Description: Patent for an overall jacket or waists, the construction of which permits of its formation with less material and its use with greater comfort and convenience by terminating at its lower edge in a waist band, which, in use, is intended to be seated upon or lap the upper edges or portions of the trouser sections, thus avoiding the extensions usually present with a wait section or jacket into the trouser section.
Date: April 15, 1919
Creator: Elliot, Joseph Samuel
Partner: UNT Libraries Government Documents Department

Refrigerator.

Description: Patent for a refrigerator with shelves and two layers of cooling liquids inside the walls.
Date: April 26, 1910
Creator: Henderson, Thomas
Partner: UNT Libraries Government Documents Department

Perforating Mechanism for Cylinder Printing-Presses.

Description: Patent for a perforating mechanism for cylinder printing-presses that is simple and automatic. It produces "lines of perforations at any required distance apart and of any desired length in paper or cardboard at the time of printing thereon the forms for checks, draft, bills, notes, tickets or other printed or lithographed matter" (lines 12-17).
Date: April 17, 1894
Creator: Kellner, Eugene
Partner: UNT Libraries Government Documents Department

Jogger Attachment for Platen Printing-Press

Description: Patent for an automatic jogging attachment for platen presses. The attachments are unique because they can be placed on the press without alterations, they allow for the stacking of sheets in a uniform manner while also being more durable and efficient.
Date: April 3, 1917
Creator: Howard, Lewis F.
Partner: UNT Libraries Government Documents Department

Device for Teaching Music

Description: Patent for a music education device aimed toward children and basic music building blocks. It is designed to teach the positions of piano keyboard notes through the use of differently dressed and named puppets. These puppets can be adjusted to also introduce basic musical concepts like rests, rhythm, and time.
Date: April 20, 1920
Creator: Maxwell, Annie L.
Partner: UNT Libraries Government Documents Department

Cotton-Chopper

Description: Patent for an improved cotton-chopper.
Date: April 23, 1912
Creator: Leubner, Carl W.
Partner: UNT Libraries Government Documents Department

Water-Boiler, Skimmer, and Oil-Separator

Description: Patent for a water-boiler, skimmer, and oil-separator.
Date: April 21, 1903
Creator: Johnson, Willie Harry
Partner: UNT Libraries Government Documents Department

Detachable Draft Appliance

Description: Patent for a detachable draft appliance.
Date: April 28, 1903
Creator: Segal, Mordecai
Partner: UNT Libraries Government Documents Department

Stove Pipe Damper.

Description: Patent for a new and improved stove-pipe damper. This design consists in "[t]he combination, with a damper-blade with a spindle rigidly attached thereto and having at one end a cylindrical pivot projecting beyond the periphery of the blade, and at the opposite end a screw projecting beyond said periphery, of a supporting-ring in which the projecting ends of said spindle are journaled, the bearing of the cylindrical end of said spindle being in an inwardly-bent portion of said supporting-ring" (… more
Date: April 19, 1887
Creator: Lederle, Edward Emil
Partner: UNT Libraries Government Documents Department

Fence-Post.

Description: Patent for improvements to Fence-Posts, preferably made from metal, providing for simple construction and a means for holding wire, which is also of simple construction.
Date: April 7, 1914
Creator: Copeland, Walter G.
Partner: UNT Libraries Government Documents Department

Fire Kindler.

Description: Patent for a new and improved fire starter. This design "has for its object to provide novel means for making comparatively inexpensive fire-kindlers; and to such end the invention consists, essentially, in a vessel having two chambers, one capable of being opened at the top and adapted to contain ashes, and the other closed, except as to a bottom passage in communication with the ash-chamber, and adapted to contain a combustible fluid—such as petroleum oil or other liquid hydro-carbon—which fl… more
Date: April 3, 1888
Creator: Streeter, George D.
Partner: UNT Libraries Government Documents Department

Fire Kindler.

Description: Patent for a new and improved fire starter. This design "is to provide novel means for determining when the oil is exhausted from the oil vessel and to provide novel means for keeping the ashes from direct contact with the oil-supply openings . . . [for] ashes possess great capillary attraction and take up more hydro-carbon fluid than is requisite when the ashes are dry and not tightly packed, so that the ashes become soft and mushy" (lines 12-21).
Date: April 3, 1888
Creator: Streeter, George D.
Partner: UNT Libraries Government Documents Department

Ice Cream Freezer

Description: Patent for an ice cream freezer. Illustration included.
Date: April 5, 1904
Creator: Prade, Julien
Partner: UNT Libraries Government Documents Department
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