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Mortising-Tool.

Description: Patent for a mortising-tool which is a device for mortising door-frames to get a hinge.
Date: January 16, 1906
Creator: Huber, Frederick K.
Partner: UNT Libraries Government Documents Department

Moldboard.

Description: Patent for "a moldboard adapted to any plow constructed of a series of spring-loops, sundry of which are movable at the top and sundry others having movement at the bottom of the board, the moveable loops being kept in motion by the earth passing over the board, whereby portions of the board are rendered vibratory and the earth is effectually prevented from clinging thereto" (lines 8-17).
Date: September 22, 1896
Creator: Smith, Samuel A.
Partner: UNT Libraries Government Documents Department

Improvement in Gang-Plows.

Description: Patent for "an improved gang-plow, which shall be so constructed that it may be readily adjusted to cause the plows to take or leave land, and which will enable the wheels to be adjusted closer to or farther from the plows, as may be desired." (Lines 12-17) Includes instructions and illustrations.
Date: February 20, 1877
Creator: Cummins, John R.
Partner: UNT Libraries Government Documents Department

Improvement in Car-Couplings

Description: Patent for car coupling device that attaches cars automatically when moved together while also detaching if one or more cars come off the tracks.
Date: May 22, 1877
Creator: Dobbs, Charles & Robinson, Samuel L.
Partner: UNT Libraries Government Documents Department

Improvement in Gang-Plows.

Description: Patent for an improved gang-plow with an adjustable crank-axle, mechanism to raise and lock the plows, and a brace for increasing rigidity.
Date: January 27, 1874
Creator: Cummins, Allison G. & Cummins, John R.
Partner: UNT Libraries Government Documents Department

Horseshoeing Apparatus.

Description: Patent for a new and improved horseshoeing machine. This design consists in "[t]he combination, with the elevator-platform and devices for raising and lowering the same, of a pair of adjustable bolts located above the platform, and a harness consisting of a bar and a set of belts suspended from said bolts" (lines 30-35).
Date: September 13, 1887
Creator: Lindsey, John
Partner: UNT Libraries Government Documents Department

Cotton-Chopping Machine.

Description: Patent for a cotton chopping machine, which can be attached to a cultivator, has a mechanically operated hoe, and automatically changes its cutting height for different heights of ground.
Date: May 31, 1910
Creator: Martin, John M.
Partner: UNT Libraries Government Documents Department

Dirigible Headlight

Description: Patent for new design for dirigible headlights by Mr. Hall B. Simpson and Mr. Dewitt Hood, designed with the intention of providing "novel and improved means whereby the headlights are supported by the automobile or other vehicle for turning movement about vertical axes," alongside various innovative applications (lines 23-27).
Date: December 16, 1919
Creator: Simpson, Hall B. & Hood, Dewitt
Partner: UNT Libraries Government Documents Department

Demountable Rim.

Description: Patent for demountable rims for motor vehicles which are constructed of two sections that latch together, resulting in easier application and/or removal of a tire from the rim.
Date: June 25, 1918
Creator: Dugger, Huston R.
Partner: UNT Libraries Government Documents Department

Device for Making Vessels Invisible.

Description: Patent for improvements in "air and water craft" (line 13) invisible including illustrations. These improvements include invisibility through "plurality of plates or sections" (lines 18-19) and diffuse light, disguising the vessels.
Date: July 15, 1919
Creator: Chaddick, Mark
Partner: UNT Libraries Government Documents Department

Dental Impression-Tray.

Description: Patent for improvements in dental impression trays that is adaptable for when there is only one or a partial set of teeth. There is a separate, smaller dental impression tray that is easily accessible and can be adapted to take impressions of one tooth or partial teeth.
Date: August 31, 1920
Creator: Littlejohn, Thomas F.
Partner: UNT Libraries Government Documents Department

Cutting-Nippers.

Description: Patent for certain new and useful improvements in cutting nippers, including instructions and illustrations.
Date: March 27, 1900
Creator: Love, Robert Hamilton
Partner: UNT Libraries Government Documents Department

Electric Attachment for Movable Objects.

Description: Patent for an electric device that can be attached to equipment such as plows or tractors which sends an electric current underground where the plow is going that prevents dirt from sticking to the equipment and clogging it when the ground is slightly wet.
Date: May 28, 1907
Creator: Dawkins, John R.
Partner: UNT Libraries Government Documents Department

Device for Assisting Vehicles Uphill.

Description: Patent for a device for assisting vehicles uphill, which attaches a counter balance to the wagon that lifts up going downhill and goes down while going up hill to make the pulling easier on the animals pulling the wagon.
Date: October 12, 1909
Creator: Stevens, Samuel H.
Partner: UNT Libraries Government Documents Department

Calculating - Machine

Description: Patent for an improvements in calculating machines. This invention "relates to machines for making rapid and accurate calculations" (line 8-9).
Date: November 16, 1897
Creator: Minnis, Henry M.
Partner: UNT Libraries Government Documents Department

Design for Bed Spring.

Description: Design patent for bed spring comprised of twin spirally-coiled bodies with straight horizontal arm extending from upper coils.
Date: December 7, 1897
Creator: Rigg, Elmer E.
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for a cotton chopper with a solid hoe for thinning cotton and a toothed hoe for pulling weeds.
Date: March 7, 1911
Creator: Hart, Granville M.
Partner: UNT Libraries Government Documents Department

Washing-Machine

Description: Patent for "a new and improved washing-machine arranged for use on any kind of tub and adapted to insure a perfect uniform washing of all the clothes in the tub by the use of yieldingly-mounted pounders, which intermittently change their position relatively to the clothes under treatment" (lines 9-16).
Date: May 28, 1901
Creator: Staggs, Henry F. & Staggs, Robert H.
Partner: UNT Libraries Government Documents Department

Swimming Device

Description: Patent for a device to be attached to a person's feet and/or hands so that the person can swim faster and further as well as dive deeper.
Date: May 30, 1911
Creator: Wells, John
Partner: UNT Libraries Government Documents Department

Gate Latch

Description: Patent for a new and useful improvements in gate latches.
Date: December 7, 1897
Creator: Turley, John Breckinridge
Partner: UNT Libraries Government Documents Department
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