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Device for Enlarging Negatives.

Description: Patent for a new or improved device to enlarge negatives; that is simple, portable, and ready to use, including illustrations.
Date: February 18, 1902
Creator: Hutchings, George B.
Partner: UNT Libraries Government Documents Department

Smoke-Consumer and Artificial Draft

Description: Patent for a smoke consumer used to maintain the heat of a furnace while absorbing the smoke. Illustrations included.
Date: February 18, 1908
Creator: Ford, Andrew H.
Partner: UNT Libraries Government Documents Department

Yielding Power-Coupling

Description: Patent for a yielding power coupling to connect power units in cars to form a complete system. Illustrations included.
Date: February 18, 1908
Creator: Mayo, William C. & Houlehan, John
Partner: UNT Libraries Government Documents Department

Well-Screen

Description: Patent for a well screen to prevent the entrance of sand or gravel into the wall of a deep well.
Date: June 18, 1907
Creator: Stancliff, George W.
Partner: UNT Libraries Government Documents Department

Lifting-Jack.

Description: Patent for improved construction of lifting jacks with a "vertically-movable screw and capable of enabling the jack to be readily connected with an object at the base of it, whereby the range of the lifting-jack will be materially increased" (lines 14-18).
Date: December 18, 1900
Creator: Sanders, John Thomas
Partner: UNT Libraries Government Documents Department

Wagon-Seat.

Description: Patent for creating a seat "to provide a spring-mounted seat for wagons which shall be strong and durable, not liable to become deranged by rough usage, which shall be comfortable for the rider, and which can be manufactured at a comparatively small cost" (lines 13-18).
Date: February 18, 1902
Creator: Holland, William J.
Partner: UNT Libraries Government Documents Department

Oil-Can

Description: Patent for an oil can that prevents flames from going beyond the spout of the can and blocks gases from coming out of the can while still allowing the oil to be easily poured out.
Date: June 18, 1907
Creator: Harmon, William Ellis & Goodpasture, Thomas Boisarth
Partner: UNT Libraries Government Documents Department

Match-Box.

Description: Patent for a match box, which attaches to the wall and dispenses one match when a lever is pulled.
Date: May 18, 1909
Creator: Evrett, Arch L. & McQuerry, James Cravens
Partner: UNT Libraries Government Documents Department

Permutation-Lock.

Description: Patent for a permutation or combination lock for mail boxes.
Date: February 18, 1908
Creator: Maxfield, James Robert
Partner: UNT Libraries Government Documents Department

Draft-Equalizer.

Description: Patent for improvement in draft-equalizer “to drive a plurality of animals abreast, and is arranged so that neither of the animals need travel upon ploughed ground. It is also designed to obviate the usual unnecessary looseness of the draft connections and to provide for an adjustable tension upon the connection between the opposite equalizing-bars.” (Lines 12-19) Illustration is included.
Date: June 18, 1901
Creator: Shipman, Samuel H.
Partner: UNT Libraries Government Documents Department

Cotton-Picking Glove.

Description: Patent for a cotton picking glove, which allows full movement of the fingers and has easily replaceable tips.
Date: May 18, 1909
Creator: Baggett, Neil J.
Partner: UNT Libraries Government Documents Department

Sash-Holder.

Description: Patent for a window sash holder, which is thinner and fits more easily in shallower recesses.
Date: August 18, 1908
Creator: Gabbart, Elihu E.
Partner: UNT Libraries Government Documents Department

Washing Machine

Description: Patent for a washing machine, that employs a rubbing belt and coacting rubbing-board, which allows for "effective adjustment of the rubbing-board to secure a heavy or light rubbing action without injury to the clothes" (lines 21-23)
Date: November 18, 1902
Creator: Haydon, William Henry
Partner: UNT Libraries Government Documents Department

Screw-Gearing

Description: Patent for screw-gearing for motors, particularly motors for fans or similar objects, including illustrations.
Date: September 18, 1900
Creator: Paker, Oren A.
Partner: UNT Libraries Government Documents Department

Fireproof Floor.

Description: Patent for an improved fireproof floor, which provides a light, rigid fire- and sound-proof flooring that is simple in construction. In addition, the ceiling construction allow the walls of a building to be strengthened against sagging or bulging, and also provides a continuous concrete-ceiling surface, allowing plaster coating or other material to be securely held without the need of another surface to support it.
Date: November 18, 1902
Creator: Shields, Patrick T.
Partner: UNT Libraries Government Documents Department

Car Step

Description: Patent for a car step. This invention is designed to be swung down into position from a fixed under the bottom of the rail car. Illustration included.
Date: September 18, 1906
Creator: Davis, George W. & Hicks, Joseph A.
Partner: UNT Libraries Government Documents Department

Book Carriage

Description: Patent for book carriage. This invention is designed to cradle open books and registrars. Illustration included.
Date: July 18, 1905
Creator: Marsh, Sidney Augustus & Gifford, George Chester
Partner: UNT Libraries Government Documents Department

Car-Wheel

Description: Patent for a car wheel made to ease turning on rounding corners and to prevent slipping due to differences in wheel sizes.
Date: February 18, 1908
Creator: Mayo, William C. & Houlehan, John
Partner: UNT Libraries Government Documents Department

Automatic Car-Coupling.

Description: Patent for improvements in car-couplers "wherein the link is automatically engaged with the draw-head of a second car and the link can be quickly disengaged when it needed uncoupling." (Lines 10-11) Illustration is included.
Date: June 18, 1901
Creator: Ponton, Henry H.
Partner: UNT Libraries Government Documents Department

Chain Jack.

Description: Patent for new and useful improvements in chain-jacks. "This invention aims to provide a chain-jack for lifting the boxes of axles, so that the bearings or brasses therefor can be readily replaced, and is designed especially for use in cases of hot boxes on railway-cars" (line 11-15).
Date: February 18, 1902
Creator: Phillips, Henry S.
Partner: UNT Libraries Government Documents Department

Combined Post-Hole Digger and Wire-Stretcher.

Description: Patent for a combined post hole digger and wire stretcher, which allows barbed wire to be strung on a fence more easily and for fence building to be done by one person.
Date: August 18, 1908
Creator: Armstrong, John Joshua, Sr.
Partner: UNT Libraries Government Documents Department

Copy Holder

Description: Patent for a copy holder. This invention is designed to hold a manuscript so as allow for ease of reading. Illustration included.
Date: December 18, 1906
Creator: Sharp, Joshua H. & Haberzettle, Fred S.
Partner: UNT Libraries Government Documents Department

Paper-Holder for Enlarging-Cameras.

Description: Patent for an improvement in holders attached to enlarging-cameras to hold the paper being exposed: "The object of the invention is to provide a simple and convenient form of paper-holder in which the paper may be readily inserted and removed and from which the light will be effectually excluded" (lines 15-19).
Date: February 18, 1902
Creator: Hutchings, George B.
Partner: UNT Libraries Government Documents Department

Piano-Pedal.

Description: Patent for a piano pedal made of one piece of cast metal to avoid the problem of loose connections between parts over time and which goes in a smaller hole in the bottom of the piano to prevent mice or dust from entering inside the piano.
Date: June 18, 1907
Creator: Norcross, Levi Watson
Partner: UNT Libraries Government Documents Department
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