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DRAFT-EQUALIZER

Description: Patent for a device to equalize the draft among 1-6 horses when attached to a plow.
Date: April 1, 1902
Creator: INGRAM, JOSEPH D.
Partner: UNT Libraries Government Documents Department

Improvement in Devices for Teaching Musical Transposition.

Description: Patent for an improvement in devices for teaching musical transposition. The invention in question is composed of a keyboard "with sliding instruments and scales" (1).
Date: April 25, 1876
Creator: Allison, Thomas J.
Partner: UNT Libraries Government Documents Department

Fence-Post.

Description: Patent for new metal fence posts and supports to "improve and simplify the general construction of devices of this character" (lines 13-15).
Date: April 14, 1914
Creator: Naiser, John Sr.
Partner: UNT Libraries Government Documents Department

Lace-Cabinet.

Description: Patent for a lace cabinet which has many drawers with holders for spools of lace or ribbon and a slot in the front of the drawer, where the lace is pulled through to show what it is and allow easy dispensing of the product.
Date: April 27, 1909
Creator: Thornton, Robert A.
Partner: UNT Libraries Government Documents Department

Windmill-Gearing

Description: Patent for improved windmill gearing, intended to reduce stain on the machinery
Date: April 13, 1920
Creator: Roberts, George W.
Partner: UNT Libraries Government Documents Department

Automobile-Windlass

Description: Patent for improved windlass for an automobile that attaches to both rear wheels to prevent idling
Date: April 20, 1920
Creator: Davis, Marion A.
Partner: UNT Libraries Government Documents Department

Cushioned Holder for Dating-Stamps

Description: Patent for a cushioned holder for dating stamps. Illustration included.
Date: April 16, 1907
Creator: Ensign, Ely
Partner: UNT Libraries Government Documents Department

Aircraft

Description: Patent for Improvements to aircraft steering. The invention allows the pilot to adjust the center of mass.
Date: April 5, 1921
Creator: Johnson, Louis V.
Partner: UNT Libraries Government Documents Department

Cotton Chopper.

Description: Patent for a new and improved cotton chopper. This design consists in "the combination, with the axle, of the U-frame having bearings at its ends for the axle and a rearwardly-disposed sleeve, a shaft mounted in the sleeve and projecting beyond the same at each of its ends and provided with choppers at its rear end and a gear at its front end, a master-gear splined upon the axle and having a grooved hub, and a pivoted yoke terminating in the hub and a lever for operating the same to throw the g… more
Date: April 1, 1890
Creator: Stanford, Jeff Hillon
Partner: UNT Libraries Government Documents Department

Locking Device.

Description: Patent for "improvements in locking devices for motor vehicle steering wheels" (lines 10-11).
Date: April 15, 1919
Creator: Crawford, Jesse L. & Dunlap, Jack R.
Partner: UNT Libraries Government Documents Department

Improvement in Baling-Presses.

Description: Patent for improvements to presses used for baling cotton and other materials, including illustrations.
Date: April 8, 1879
Creator: McGowen, Edmond Felder
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Choppers.

Description: Patent for improvements in cotton choppers.
Date: April 28, 1868
Creator: Kidd, I. J.
Partner: UNT Libraries Government Documents Department

Tire Casing Core

Description: Patent for a tire casing core designed to make the installation and removal of casings from tires easier to perform with a reduced risk of damaging either item.
Date: April 15, 1919
Creator: Hibbs, C. D.
Partner: UNT Libraries Government Documents Department

Railway-Track Construction

Description: Patent for a railroad tie. Illustration included.
Date: April 16, 1907
Creator: King, Alphonse
Partner: UNT Libraries Government Documents Department

Flower Pot Trellis

Description: Patent for a flower pot trellis which is used "to be applied to flower-pots of various sizes to support plants or vines without interfering with their roots" (p.2).
Date: April 15, 1890
Creator: Brown, John Stoddart
Partner: UNT Libraries Government Documents Department

Well-Drilling Tool.

Description: Patent for a bit that can be attached to a rotary tool for drilling wells. It features a means for using water to dislodge any accumulated mud from the tool.
Date: April 5, 1921
Creator: Clore, Franklin H.
Partner: UNT Libraries Government Documents Department

Wire-Fence Clip

Description: Patent for a clip for wire fences. Illustration included.
Date: April 30, 1907
Creator: Howard, Mentor
Partner: UNT Libraries Government Documents Department

Improvement in Tenoning-Machines

Description: Patent for an improvement in tenoning-machines, including saws, gauges, flanges, and hinged plates.
Date: April 18, 1871
Creator: Bourland, Melton S.
Partner: UNT Libraries Government Documents Department

Improvement in Sulky Plows

Description: Patent for the improvement of sully plows by regulating the depth of furrow.
Date: April 5, 1870
Creator: Boyd, John G. & Bailey, Allen
Partner: UNT Libraries Government Documents Department

Improvement in Saws.

Description: Patent for improvement in saws by way of the construction of beveled edged teeth with concave sides.
Date: April 26, 1870
Creator: Littlepage, C. V.
Partner: UNT Libraries Government Documents Department

Improvement in Ant Traps

Description: Patent for the improvement of Ant traps, including to illustrated and labeled figures.
Date: April 1, 1873
Creator: Ames, Theodore G.
Partner: UNT Libraries Government Documents Department

Improvement In Bale-Ties.

Description: This patent was created for free ends of wire to be united and form a circular shape. The wire is then interconnected with a loop that has been doubled by the device.
Date: April 16, 1878
Creator: Knipscheer, John
Partner: UNT Libraries Government Documents Department

Improvement in Automatic Fans.

Description: Patent for " a new and improved Table-Fan"
Date: April 20, 1875
Creator: Stamps, Lorenzo D.
Partner: UNT Libraries Government Documents Department

Piston Ring

Description: Patent for "new and useful improvements in Piston Rings (lines 5-6)."
Date: April 30, 1918
Creator: Byrant, Clarence R.
Partner: UNT Libraries Government Documents Department
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