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Race-Track

Description: Patent for a dog race track where an artificial animal is chased by the dogs which then disappears underground at the end of its cable.
Date: February 11, 1913
Creator: Everett, Percy
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Photographic Copying Apparatus

Description: Patent for a simple and effective photographic-copying apparatus capable of making copies of small objects of different sizes. The machine is for general commercial use "that may be successfully operated by persons not particularly skilled in the photographic art" (lines 23-25) including illustrations.
Date: February 2, 1915
Creator: Gregory, Oscar T. & Carkhuff, Norman W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dumping-Cart

Description: Patent for a dumping cart with a body that locks to the frame, but can be released quickly to dump materials via two toggle arms connected to a crank handle. Including illustrations and instructions.
Date: February 25, 1903
Creator: Davis, Frank C.
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Partner: UNT Libraries Government Documents Department

Educational Device.

Description: Patent for improvements in educational device by providing “a simple and comparatively inexpensive one designed for teaching addition, multiplication, subtraction, and division and capable of enabling the same to be explained with greater ease and at the expenditure of much less energy of both pupil and teacher.” (Lines 12-18) Illustration is included.
Date: February 10, 1903
Creator: Williams, Willoughby Columbus
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Partner: UNT Libraries Government Documents Department

Cotton-Gin

Description: Patent for a new and improved cotton-gin, where the rollers, feed devices, and blades will be vertically disposed and arranged in groups, and which will also simplify the construction of cotton-gins.
Date: February 19, 1901
Creator: Wentworth, William Henry
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Partner: UNT Libraries Government Documents Department

Rotary Engine

Description: Patent for a rotary engine that uses steam as a motive agent. Illustrations included.
Date: February 18, 1913
Creator: Allan, William N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Garbage-Burner.

Description: Patent for a garbage incinerator, which has a rotating grate to speed up the evaporation of moisture from the garbage and produce quicker burning.
Date: February 2, 1909
Creator: Burwell, John A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Single-Seed Planter.

Description: Patent for a single-seed planter using “grasping-jaws pass through the seed box …to gather a seed and carry it to the discharge tube or place of deposit" (lines 9-12), illustration is included.
Date: February 3, 1891
Creator: Hurd, Judson B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Safety Oil-Can

Description: Patent for a safety oil can. There are two items that are described in the figures. The first is intended to "prevent the contents of the can from becoming inflamed" and the second is to "provide a can from which oil may be poured into a blazing fire without danger from lighting and exploding the oil" (p. 6).
Date: February 23, 1886
Creator: Steeneken, Diedrich
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Horse-Detaching Device.

Description: Patent for a horse-detaching device that attaches to the forward axle of a vehicle. The invention will not affect the seating capacity of the vehicle, and can be used to release the thills of the vehicle quickly if the driver loses control of the horse. The device can be used to guide the vehicle after the horse is released.
Date: February 4, 1896
Creator: Friedlander, Joseph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dirigible Headlight

Description: Patent for an improved lamp bracket which will decrease vibration and increase stability. Connective devices from the steering mechanism to the headlight are also improved to increase responsiveness.
Date: February 12, 1918
Creator: Wogenstahl, Leo J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dental Handpiece

Description: Patent for a dental hand piece for dental tools so that they may be held or rotated at an angle relative to the hand piece. Illustrations included.
Date: February 2, 1909
Creator: Mayes, Robert Martin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spring Wheel

Description: Patent for a spring wheel design that will "effectually resist both the vertical and lateral stresses to which the wheel is subjected when in use" (lines 11-13), including illustrations.
Date: February 24, 1914
Creator: Mathiesen, Marius
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hay Press

Description: Patent for a hay press. This invention is a form of baling press that operates on a continuously reciprocated as hay is fed into the press chamber. Illustrations included.
Date: February 20, 1906
Creator: Lorenz, Alexander & Illg, William J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Steering-Wheel Lock.

Description: Patent for an improved steering wheel lock that avoids the need for a specially constructed lock. Utilizes parts of simple, cheap and sturdy construction capable of being used in any motor vehicle design.
Date: February 15, 1921
Creator: Gerfers, Richard P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Refrigerating Apparatus

Description: Patent for a refrigerating apparatus. This invention is a coil composed of two pipes of different diameters placed inside of each other acting as a condensing agent. Illustration included.
Date: February 12, 1907
Creator: Holdgreen, Julius H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spring Wheel

Description: Patent for a spring wheel. This invention is for vehicle wheels. It is designed to be adapted as a form of shocks.
Date: February 11, 1913
Creator: Mathiesen, Marius
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Siding Lumber.

Description: Patent for siding lumber, which attaches tightly together at the corners to keep out bugs and rain.
Date: February 1, 1910
Creator: Cesinger, George V.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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