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Underreamer

Description: Patent for an under-reamer for use in drilling oil wells.
Date: September 10, 1912
Creator: Wagner, Warren
Partner: UNT Libraries Government Documents Department

Trombone.

Description: Patent, including illustration, for "a musical instrument slide and is more particularly designated as a bearing or stocking for a trombone or other similar instruments in which it is desirable to provide a smooth bearing for the slidable part of the instrument" (page 1, lines 9-13).
Date: February 17, 1920
Creator: Ackley, William D.
Partner: UNT Libraries Government Documents Department

Quilting-Frame.

Description: Patent for a quilting frame designed to be used with a sewing machine and "which may be easily set up and be supported from the floor, and not in any manner mar or injure the walls or ceilings." (Lines 15-18) Includes instructions and illustrations.
Date: December 10, 1895
Creator: Click, John J.
Partner: UNT Libraries Government Documents Department

Oil-Burner

Description: Patent for an oil burner designed to prevent choking and corrosion, and to ensure that fluids are properly warmed for the purpose of combustion. Illustrations included.
Date: July 2, 1907
Creator: Swenson, Charles E.
Partner: UNT Libraries Government Documents Department

Quick-Adjusting Wrench.

Description: Patent for quick adjusting wrenches that simplify and improve the constructions and increase the efficiency and utility of hese types of devices. The movable jaw can be instantly released or locked.
Date: June 11, 1918
Creator: Grogan, Edward W.
Partner: UNT Libraries Government Documents Department

Door-Holder.

Description: Patent for a door holder, which is operated by turning the door knob and holds the door open at predetermined positions.
Date: March 3, 1908
Creator: Clark, Robert
Partner: UNT Libraries Government Documents Department

Draft Device

Description: Patent for binders and other agricultural machines liable to side draft, and its object is to provide a simple and efficient device for attaching an evener bar to the draft tongue of the machine.
Date: November 19, 1913
Creator: Mitchell, James R. & Mitchell, Grady
Partner: UNT Libraries Government Documents Department

Draft Device.

Description: Patent for a drafting device for animals. It allows for the owner to place more animals on one side of the device than the other, but still allows the device to remain on the desired path.
Date: November 24, 1914
Creator: Mitchell, James R.
Partner: UNT Libraries Government Documents Department

Cotton-Chopper

Description: Patent for a cotton-chopper with two disk-cutters mounted to a supporting frame, which can be positioned parallel or at an angle to each other. Each disk-cutter is attached by a projecting arm, which provides foot support and allows each disk to be operated independently. Patent includes illustrations.
Date: November 23, 1920
Creator: Jones, John W.
Partner: UNT Libraries Government Documents Department

Shoe-Fitting Stool.

Description: Patent for new and useful improvements in a shoe fitting stool which "comprises a simple and efficient means of this nature so arranged that the measurements of the foot of a person may be quickly and readily determined." (lines 15-20) including instructions and illustrations.
Date: May 11, 1915
Creator: Reed, Allen Trousdale
Partner: UNT Libraries Government Documents Department

Seed-Planter.

Description: Patent for a durable, simply constructed, and inexpensive seed-planter. It has a main frame, adjustable supporting-wheels, diagonal parallel bars, disk-beams with "angular front ends pivoted in brackets on the main frame" (lines 48-49), and "disks supported by stub-shafts projecting from the spindle-supporting bar" (lines 49-51).
Date: June 16, 1896
Creator: Leissler, John C.
Partner: UNT Libraries Government Documents Department

Shackle.

Description: Patent for a new and improved set of shackles. This design consists in "[a] mitten provided with button-holes in its wrist, in combination with a handcuff provided with a fastening-button . . . [and] a flexible wrist band or cuff and carrying devices whereby a mitten may be attached thereto" (lines 73-79).
Date: June 4, 1889
Creator: James, John & Goodenough, Alvin D.
Partner: UNT Libraries Government Documents Department

Fruit-Press.

Description: Patent for a device that extracts and strains "the juice of fruits, and it has for its general object to provide such a device of a cheap, simple, and durable construction, and one adapted when not in use to be disconnected and folded back against the wall so as to occupy but a minimum amount of space" (lines 13-18).
Date: March 28, 1893
Creator: Thompson, Sarah Rosaline
Partner: UNT Libraries Government Documents Department

Reversible Spring-Motor.

Description: Patent for a spring-motor for bicycles, street and railway cars, and other vehicles which is meant "to accumulate and store surplus power which is usually lost in stopping vehicles and in holding back the same when descending steep grades, the purpose being to utilize such stored power for the purpose of propelling the vehicle up an incline or at whatever point additional power may be found desirable." (Lines 17-24) Includes instructions and illustrations.
Date: April 20, 1897
Creator: Click, John Jones
Partner: UNT Libraries Government Documents Department

Desk-Cabinet

Description: Patent for a metal desk cabinet for holding office supplies.
Date: November 26, 1912
Creator: Grogan, Edward W.
Partner: UNT Libraries Government Documents Department

Cut-Out Device for Windmills.

Description: Patent for "an improved attachment for wind mills, whereby the mill may be thrown out of gear automatically when the supply tank becomes filled" (lines 9-13). It includes an illustration and description of the components.
Date: June 25, 1918
Creator: Pennington, Phil M.
Partner: UNT Libraries Government Documents Department

Corn and Cotton Planter.

Description: Patent for a new and improved planter. This design "relates to a combined corn and cotton planter; and it has for its object to provide an improved hopper for containing the seed, and an improved slide or cut-off, and means for automatically operating the same" (lines 9-14).
Date: September 22, 1885
Creator: Wear, William Foster
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for certain new and useful improvements in cotton choppers, including instructions and illustrations.
Date: November 29, 1898
Creator: Hillermann, August & Heinen, Christopher
Partner: UNT Libraries Government Documents Department

Soldering-Tool.

Description: Patent for an improved soldering-tool by having a reservoir for gasoline or other light hydrocarbon, a burner-tube, and a valve for regulating the combustion of the gasoline and heating the tool continuously and uniformly, without a furnace. Illustration is included.
Date: February 17, 1891
Creator: Barber, Edwin L.
Partner: UNT Libraries Government Documents Department

Shut-Off Head for Casings and The Like

Description: Patent for a shut-off head for casings in oil wells.
Date: September 10, 1912
Creator: Wagner, Warren
Partner: UNT Libraries Government Documents Department

Self-Signaling Device For Railroads.

Description: Patent for a self-signalling device for railroads that is simple and efficient. Instructions and illustration included.
Date: April 11, 1916
Creator: Littlepage, Rufus E.
Partner: UNT Libraries Government Documents Department

Repair-Tool For Wire Fences.

Description: Patent for certain new and useful improvements in repair tools for wire fences, including instructions and illustrations.
Date: November 22, 1898
Creator: Major, John H.
Partner: UNT Libraries Government Documents Department

Shears for Cutting Hot Metal.

Description: Patent for "a device which is more especially intended for shearing hot metal, although it may be used for cutting cold material," (lines 8-10) including instructions and illustrations.
Date: February 16, 1892
Creator: Cleveland, William T.
Partner: UNT Libraries Government Documents Department

Wire-Fence Tool.

Description: Patent for a device "that will combine in one all the tools actually necessary in building or repairing an ordinary wire fence." (Lines 14-16) Includes instructions and illustrations.
Date: December 1, 1896
Creator: Orton, Lewis W.
Partner: UNT Libraries Government Documents Department
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