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Acetylene-Gas-Generating Lamp.

Description: Patent for a new and useful acetylene gas lamp, including instructions and illustrations.
Date: December 5, 1899
Creator: Eldridge, Hilliary
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for an acetylene-gas generator that provides an apparatus in which the parts may be readily detached for convenience in making repairs.
Date: June 5, 1908
Creator: Carl, Reinhold A.
Partner: UNT Libraries Government Documents Department

Acetylene - Gas Generator

Description: Patent for certain new and useful improvements in gas generating apparatus, including instructions and illustrations.
Date: July 5, 1898
Creator: Lewis, Thomas E.
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for a new and improved gas generator, including instructions and illustrations.
Date: December 5, 1899
Creator: Schaefer, Henry P.
Partner: UNT Libraries Government Documents Department

Actuating Device for Circuit Closers

Description: Patent for an actuating device for circuit closers. Illustration included.
Date: November 5, 1912
Creator: Young, George D.
Partner: UNT Libraries Government Documents Department

Adding-Machine

Description: Patent for improvements to adding machines, which is key-operated and includes a vertically disposed shaft and a means to actuate the sliding plate.
Date: January 5, 1915
Creator: Gatewood, William F.
Partner: UNT Libraries Government Documents Department

Adjustable Luggage-carrier

Description: Patent for a luggage carrier that attaches to vehicles to carry packages of various sizes. Includes illustrations.
Date: April 5, 1921
Creator: Green, John R.
Partner: UNT Libraries Government Documents Department

Adjustable Trace Connector

Description: Patent for an adjustable trace connector. Illustration included.
Date: January 5, 1909
Creator: Erwin, Agustin Reese; Burks, William D. & Burks, Joseph B.
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

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

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

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

Agricultural Implement.

Description: Patent for "attachments for planters, cultivators and the like" (lines 8-10) "whereby the implement will be permitted to yield to uneven ground" (lines 11-12).
Date: November 5, 1901
Creator: Waters, James M.
Partner: UNT Libraries Government Documents Department

Air-Supplying Device For Diving Purposes.

Description: Patent for a new and useful air supplying device for diving purposes, including instructions and illustrations.
Date: December 5, 1899
Creator: Hensley, Frank A.
Partner: UNT Libraries Government Documents Department

Aircraft

Description: Patent for Improvements to aircraft steering. The invention allows the pilot to adjust the center of mass.
Date: April 5, 1921
Creator: Johnson, Louis V.
Partner: UNT Libraries Government Documents Department

Airship-Destroyer.

Description: Patent for a new airship-destroyer with the new ability to fire pellets and bombs in various directions and differing altitudes (lines 8-12), to ignite fuses to prime the device for firing at a predetermined altitude (lines 13-19), to incorporate a bomb to explode upon contact with the airship (lines 20-24), and to provide the projectile with a rocket to propel it to a greater altitude (lines 25-28).
Date: November 5, 1918
Creator: Saladiner, Joseph M.
Partner: UNT Libraries Government Documents Department

Andiron

Description: Patent for improvements to andiron or "fire-dogs".
Date: July 5, 1887
Creator: Steele, Oliver
Partner: UNT Libraries Government Documents Department

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

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

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

Animal-Trap

Description: Patent for an animal trap which is to be sprung by the animal when the bait is touched. It is constructed in such a manner that the animal will be instantly killed. The metal parts of the trap are to create a strong and durable trap and to be manufactured at a small expense.
Date: April 5, 1921
Creator: Brewington, Philip Jennings
Partner: UNT Libraries Government Documents Department

Animated Sign

Description: Patent for a display apparatus to be implemented as animated advertising signs which successively display different images by controlling the timing of changes in the colors of light used to flood the front and to backlight the display surfaces. The images are created in such a way that certain elements created in certain colors become absorbed or are made invisible when illuminated by certain colors of light. An apparatus controls the cyclical changes of the colored lights used by the sign.
Date: September 5, 1922
Creator: Craig, Richard M.
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
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