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Wheel Hub.

Description: Patent for a new and improved wheel-hub. This design "relates to wheel-hubs, and its objects are, first, to permit removal or renewal of the spokes without displacing the tire; second, to insure synchronous motion of the axle-box and the hub; and, third, to attain these ends with simplicity of structure" (lines 8-13).
Date: July 20, 1886
Creator: Miller, William J.
Partner: UNT Libraries Government Documents Department

Improvement in Jack-Screws and Clamps Combined.

Description: Patent for an invention "to combine a jack-screw or lifting-jack with a clamp, so that they may be interchangeably used." (Lines 19-21) Includes instructions and illustrations.
Date: May 20, 1873
Creator: Jackson, Thomas R.; Jackson, Asberry C. & Watson, Claudius S.
Partner: UNT Libraries Government Documents Department

Washing-Machines.

Description: Patent for an improvement in washing machines. The shaping and components are meticulously detailed and indicate they play a part in the said improvement.
Date: January 20, 1874
Creator: Eberhardt, T. C.
Partner: UNT Libraries Government Documents Department

Improvement in Damping-Rollers.

Description: Patent for an improvement of copying-roller through "moistening the leaves of letter-books to take impressions" (lines 15-17), with illustration.
Date: August 20, 1878
Creator: Brown, John Anderson
Partner: UNT Libraries Government Documents Department

Improvement in Needle-Threaders for Sewing-Machines.

Description: Patent for improvement in needle-threaders for sewing machines by using an “eyelet-frame that formed by two equal parallelopipeds. These parallelopipeds are being kept together by two springs and may be separated by pressing the pins toward each other.” (Lines 32-35) “The axis of a conical eyelet will be laid in the joint planes of the parallelopipeds, its apex in the front side, its basis in the opposite side of the eyelet-frame, through which eyelet the thread has to pass when the instrument… more
Date: April 20, 1869
Creator: Thielepape, Wilhelm C. A.
Partner: UNT Libraries Government Documents Department

Trailer.

Description: Patent for improved construction and arrangement of trailers. This improvement will allow an easy turning movement where a number of trailers are connected while admitting of strain between the various trailers when they are turning a corner or going around a curve.
Date: August 20, 1918
Creator: Watkins, Leigh
Partner: UNT Libraries Government Documents Department

Transposition Device for Electric Lines.

Description: Patent for improving efficiency in transposing electric lines. Improvements include providing devices "which cannot be destroyed by bullets or rocks and other destructive agencies", providing devices "which will maintain the lines parallel with each other", and providing devices "so that no special tools will be necessary for linemen... only a pair of pliers."
Date: April 20, 1915
Creator: Neel, Guy W.
Partner: UNT Libraries Government Documents Department

Wheel Tire Machine

Description: Patent for a wheel tire machine. This invention if for taking off and putting on wheel tires. Illustration included.
Date: November 20, 1906
Creator: Meyers, Edna Lu
Partner: UNT Libraries Government Documents Department

Well-Bucket Strainer.

Description: Patent for a well bucket strainer, which strains the water as it is pumped out.
Date: December 20, 1910
Creator: Clay, Willim F.
Partner: UNT Libraries Government Documents Department

Wheelwright-Machine

Description: Patent for a hand-operated wheelwright machine designed for drilling the tires of a vehicle for means of holding tire retaining bolts.
Date: August 20, 1907
Creator: Robbins, James M.
Partner: UNT Libraries Government Documents Department

Utilizing Sulfur-Containing Petroleum

Description: Patent for utilizing the sulfur content in petroleum obtained from oil. Illustrations included,
Date: February 20, 1912
Creator: Eggleston, John E.
Partner: UNT Libraries Government Documents Department

Utilizing Sulfur-Containing Petroleum.

Description: Patent for a method of removing sulfur from Beaumont petroleum and converting it into sulfuric acid.
Date: February 20, 1912
Creator: Robinson, Clarence I.
Partner: UNT Libraries Government Documents Department

Wheel-Plow.

Description: Patent for a wheel-plow that is meant for southern states. All the parts of this plow are adjustable in order to adapt to different sizes of bedding.
Date: November 20, 1894
Creator: Bunjes, Friederick
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel Scraper.

Description: Patent for a "device adapted to be readily applied to a vehicle to prevent mud from clinging to the wheels, and thereby make the draft lighter on a horse or team, and at the same time prevent mud from being thrown upon the body of a vehicle and the occupants thereof." (Lines 12-17) Includes instructions and illustrations.
Date: April 20, 1897
Creator: Taylor, Mascener
Partner: UNT Libraries Government Documents Department

Improvement in Combined Lint-Room and Cotton-Presses.

Description: Patent for the improvement of lint-rooms and cotton presses, including a description and illustrations.
Date: December 20, 1870
Creator: Albertson, Ichabod H.
Partner: UNT Libraries Government Documents Department

Switch.

Description: Patent for a switch mechanism for use on railroads. The switch can be installed without cutting the railroad tracks. Instructions and illustrations are included.
Date: March 20, 1917
Creator: Allen, Gus V.
Partner: UNT Libraries Government Documents Department

Process of and Apparatus for Classifying Comminuted Material.

Description: Patent for improving the process of classifying materials in order to reduce rehandling and improve efficiency in sizing materials through the use of screens.
Date: April 20, 1915
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
Partner: UNT Libraries Government Documents Department

Improvement in Adjustable Hats

Description: Patent for an improvement to adjustable hatband which includes directions and illustrations.
Date: March 20, 1877
Creator: Cassiano, I. Ygnacio
Partner: UNT Libraries Government Documents Department

Improvement in Convertible Wagon-Bed and Hay-Rack.

Description: Patent for "an ordinary wagon-bed with sides and a rear end board or gate, which are both adjustable and removable, and attach slats or bars to said sides and end-board in such manner that they may be extended laterally when requires, to practically increase the width of the wagon-bed." (Lines 12-18) Includes instructions and illustrations.
Date: March 20, 1877
Creator: O'Neall, James M.
Partner: UNT Libraries Government Documents Department

Improvement in Post-Hole Diggers

Description: Patent for certain new and useful improvements in Post-Hole Diggers.
Date: November 20, 1877
Creator: Armstrong, John J.
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Ties.

Description: Patent for an "invention to produce a cheap and convenient tie, which is durable, and which will not unlock should the rivet holding the button break from any strain on it, the button still holding by means of slots, and the strain being transferred to a slot in the end of the tie in which the button was riveted." (Lines 15-22) Includes instructions and illustrations.
Date: October 20, 1874
Creator: Brown, Maurice T.
Partner: UNT Libraries Government Documents Department

Improvement In Cotton-Cultivators.

Description: Patent for improvements in cotton-plant cultivators.
Date: July 20, 1878
Creator: Harvey, William W.
Partner: UNT Libraries Government Documents Department
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