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Animal-Trap.

Description: Patent for a new and useful animal trap, including instructions and illustrations.
Date: December 5, 1899
Creator: Buckersberg, Simon
Partner: UNT Libraries Government Documents Department

Aeroplane

Description: Patent for an aeroplane. This invention does not use any mechanism to maintain the planes equilibrium. Illustration included.
Date: November 5, 1912
Creator: Goebel, Alois
Partner: UNT Libraries Government Documents Department

Aeroplane

Description: Patent for an aeroplane that will maintain its balance in the air automatically
Date: December 5, 1911
Creator: McManus, Augustus F. W.
Partner: UNT Libraries Government Documents Department

Cattle-Guard.

Description: Patent for a railway cattle-guard that is simple, inexpensive, and efficient. It prevents the cattle "from traversing a railway-track in order to pass form one field or inclosure to another" (line 12-14). It has spurred rollers, and has a unique way of mounting rollers or rotary ties, in that they do not block the track.
Date: January 5, 1897
Creator: Nevill, William Birt
Partner: UNT Libraries Government Documents Department

Animal-Trap.

Description: Patent for improvements in animal-traps that would be capable of catching two animals; to set the trap, bait is placed upon the hooked ends of the bait-hooks, the jaws are elevated and retained in a position by the link-catches, which have the lower hooked ends engaging the trigger, which has its free end engaging the eye at the inner end of the bait hooks, thus setting the trap, (lines 66-73) ready to catch animals. Illustration is included.
Date: May 5, 1891
Creator: Anderson, Henry Clay
Partner: UNT Libraries Government Documents Department

Watch-Barrel.

Description: Patent for a winding mechanism for watches, related to the barrel and rachet of the winding mechanism, with illustrations and instructions included.
Date: November 5, 1880
Creator: Martin, Josiah
Partner: UNT Libraries Government Documents Department

Animal Trap.

Description: Patent for a new and improved animal-trap. This design consists "[i]n a trap comprising a well having ingress-openings in diametrically-opposite sides, the combination, with a cage constructed to move vertically in the said well, of plates mounted in ways and constructed to slide past and cover the said openings and having connection with the cage to counterbalance the same" (lines 86-93).
Date: April 5, 1892
Creator: McLeod, Charlie Mike
Partner: UNT Libraries Government Documents Department

Bale-Tie Buckle

Description: Patent for a bale-tie buckle which can be fastened quickly. The bale-tie buckle "can be economically manufactured," is "capable of resisting enormous pressure," and "can be quickly and easily placed on the bands or ties."
Date: January 5, 1915
Creator: Horsley, Robert L.
Partner: UNT Libraries Government Documents Department

Adjustable Window-Shade

Description: Patent for an adjustable window-shade that is more useful and can be "raised and lowered in its entirety" (lines 10-11) including instructions and illustration.
Date: December 5, 1916
Creator: Hayes, George Daniel
Partner: UNT Libraries Government Documents Department

Ax-Sharpener

Description: Patent for an ax sharpener that can be attached to and removed from an ax head.
Date: January 5, 1915
Creator: Wilson, Friend A.
Partner: UNT Libraries Government Documents Department

Antifreezing Outlet-Valve for Tanks.

Description: Patent for a new and improved "valve-operating mechanism which cannot be rendered inoperative by ice forming in the tank, and also whereby the valve itself cannot become frozen" (lines 26-30) including illustrations.
Date: May 5, 1914
Creator: Whipp, John W.
Partner: UNT Libraries Government Documents Department

Advertising Device.

Description: Patent for an advertising machine that is motor-operated and will display a succession of slides that can be shown during the day or at night. It includes a light to help show slides to the public, a shutter that automatically and intermittently displays slides, a lens for projecting slides on a distant screen, and a master slide to be shown with each slide. The patent includes illustrations.
Date: August 5, 1913
Creator: Bernard, Oscar C.
Partner: UNT Libraries Government Documents Department

Glass Manufacture dated November 5, 1918

Description: Patent for apparatus to improve the overall quality and efficiency of glass production. This includes both window and sheet glass. It assists in developing sheet glass through blowing, drawing, and ladling.
Date: November 5, 1918
Creator: Thomas J. McCoy
Partner: UNT Libraries Government Documents Department

Process of Purifying Oil

Description: Patent for using aluminum chlorid compounds to clean crude oil. Which is apart of the petrochemical process of oil purification.
Date: August 5, 1919
Creator: Miller, Albert E.
Partner: UNT Libraries Government Documents Department

Advertising-Sign.

Description: Patent for an advertisement sign with a translucent display band that illuminates different sections of letters, numbers, or figures, in various colors, giving the appearance of animation.
Date: August 5, 1919
Creator: Craig, Richard M.
Partner: UNT Libraries Government Documents Department
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