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Dielectric Separator

Description: Patent for an apparatus that "separates substances of different dielectric capacities" (lines 12-13). Illustrations included.
Date: May 19, 1908
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
Partner: UNT Libraries Government Documents Department

Combined Rubber Dam and Tooth Backing Punch

Description: Patent for a combined rubber dam and tooth-backing punch. "This invention relates to new and useful improvement in dental instruments and more particularly it has references to a punch for forming holes accurately in the backing which is used on teeth in construction of bridges, plates, and cognate work" (line 12-17). Illustration included.
Date: May 19, 1908
Creator: Bell, Harry M.
Partner: UNT Libraries Government Documents Department

Animal-Trap

Description: Patent for an animal trap primarily intended for capturing rodents. Illustrations included.
Date: May 19, 1908
Creator: Pierce, William Z.
Partner: UNT Libraries Government Documents Department

Clinometer

Description: Patent for a clinometer. This invention is designed to measure the grades and angles of inclination of structures and objects of various descriptions. Illustration included.
Date: May 19, 1908
Creator: Keith, John David & Faulkner, Walter Edgar
Partner: UNT Libraries Government Documents Department

Bed Spring.

Description: Patent for a new and improved bed-spring. This design consists in "the adjustable tie that connects the springs beneath the slats. This device is simple, cheap, convenient, and durable. It is adjustable to slats placed at different distances apart, and will remain in position when placed upon the slats, holding the diagonal rows of springs in a straight line, causing the springs to remain uniform all over the bed" (lines 72-80).
Date: May 19, 1885
Creator: Davis, Charles Robert
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "consists in the combination, with a draw-bar having a socket and buffer-prongs on its ends, of a ball in the socket, coupling-hooks pivoted between jaws connected with the ball, a weighted stem projecting from the ball, and a sliding latch-rod for engaging with the stem and automatically releasing it when the cars come together" (lines 8-15).
Date: May 19, 1885
Creator: Hampl, Joseph & Jacobs, David
Partner: UNT Libraries Government Documents Department

Device for Handling and Cleaning Seed-Cotton by Atmospheric Suction.

Description: Patent for a new device for handling and cleaning seeding cotton by atmospheric suction in which the cotton may be conveyed and cleaned without passing through the exhaust-fans, thereby avoiding danger of the machine being choked while in operation. (Lines 14-17) Illustration is included.
Date: May 19, 1891
Creator: Eberhardt, Theophilus Charles
Partner: UNT Libraries Government Documents Department

Dirigible Automobile-Lamp

Description: Patent for a new automobile lamp that turns in conjunction with the steering wheel and an apparatus that attaches to automobiles to cradle the head lamp and stop it from vibrating.
Date: May 19, 1914
Creator: Freeborn, Sidney Mills
Partner: UNT Libraries Government Documents Department

Drag-Harrow.

Description: Patent for an improved drag harrow for plowing soil. "The primary objective of the invention is to provide a soil pulverizer in which a rotary grinding action is produced by the drawing of the apparatus across the soil" (lines 10-13).
Date: May 19, 1914
Creator: Kramer, Frank.
Partner: UNT Libraries Government Documents Department

Door.

Description: Patent for a door "that can be secured in either open or closed position either from the exterior or interior of the building on which the door is mounted" (lines 9-12) including instructions and illustrations.
Date: May 19, 1914
Creator: Niemann, Otto
Partner: UNT Libraries Government Documents Department

Cultivator Attachment

Description: Patent for a cultivator attachment. "The principal object of the invention is to provide a simple harrowing attachment for the cultivator shovels, so that the soil can be pulverized immediately succeeding the lifting thereof by the cultivator shovel."
Date: May 19, 1914
Creator: Hafer, Albert L.
Partner: UNT Libraries Government Documents Department

Automatic Fuse Plug

Description: Patent for "improvements in automatic fuse plugs" (lines 12-12). These are "adapted to be successively engaged by a swinging contact arm" (lines 16-17).
Date: May 19, 1914
Creator: Bowman, Levi M.
Partner: UNT Libraries Government Documents Department

Churn

Description: Patent for a churn that can produce butter in very short period of time with minimal effort.
Date: May 19, 1913
Creator: Hoefer, Charles Jr.; Belt, Marcus L. Jr. & Belt, William R.
Partner: UNT Libraries Government Documents Department

Card Holder

Description: Patent for improvements made to card holders, mostly for handbags and other cases much like luggage tags today. The patent describes and illustrates improved design and construction so they can be manufactured at an economic price.
Date: May 19, 1914
Creator: Grabendike, Clyde C.
Partner: UNT Libraries Government Documents Department

Journal-Lubricator.

Description: Patent for improvements in lubricators by mounting a box, with a pair holes near its ends, on a bearing; with partitions across the box adjacent each holes, a pair of cord shape wicks and a depending flange, depressing the wicks to the bottom of the box. “When the box filled with liquid lubricant and the cover closed, the lower edge of the flange depresses the wicks, submerging them at the center of the box, and the wicks absorb oil at this point, the oil is lead thence by capillary attraction … more
Date: May 19, 1891
Creator: Hubbard, Benjamin V.
Partner: UNT Libraries Government Documents Department

Improvement in Scissors.

Description: Patent for "scissors for the use of dealers in dry goods; and it consists in providing an ordinary pair of scissors with an extension at or near the end of one of the blades, having an entering point and an eye to carry a thread, and designed to serve a convenient purpose in tagging and retagging goods." (Lines 14-21) Includes instructions and illustrations.
Date: May 19, 1874
Creator: Waldie, Samuel H.
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel.

Description: Patent for a vehicle wheel "which embodies a flexible tread and radially arranged springs for absorbing shocks and cushioning the yielding action of the parts of said tread" (lines 9-13).
Date: May 19, 1914
Creator: Anderson, Lycurgus
Partner: UNT Libraries Government Documents Department
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