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Aseptic Fountain Syringe or Irrigator

Description: Patent for an aseptic fountain syringe or irrigator for use by doctors that is easily cleaned and portable.
Date: February 20, 1912
Creator: Leach, Shirley N.
Partner: UNT Libraries Government Documents Department

Apparatus for Cooling Water.

Description: Patent for a water-cooling apparatus composed chiefly of a subterranean cistern and a water-supply source.
Date: May 20, 1901
Creator: William J. Dossey
Partner: UNT Libraries Government Documents Department

Antikicking Device for Automobiles.

Description: Patent for a device that catches the crank of hand crank automobiles which were typical of the early 1900s in the United States of America. The invention addresses controlling the motion of the crank and preventing the crank from causing injury.
Date: March 20, 1917
Creator: Miller, Herman P.
Partner: UNT Libraries Government Documents Department

Annunciator.

Description: Patent for improvement in annunciator by “providing a circuit-closing attachment for annunciators by means of which an electric lamp will be lit when the annunciator-drop falls.” (Lines 15-18) Illustration is included.
Date: October 20, 1891
Creator: Fouts, Lambert F.
Partner: UNT Libraries Government Documents Department

Ant-Trap

Description: Patent for an ant trap with a removable bottom which allows the trap to be emptied easily.
Date: September 20, 1910
Creator: Miller, Charles R.
Partner: UNT Libraries Government Documents Department

Ant-Trap.

Description: Patent for a new ant trap design using a conical shape and reservoirs for holding kerosene to destroy ants, including illustrations.
Date: March 20, 1888
Creator: Kell, Mathew
Partner: UNT Libraries Government Documents Department

Advertising Device.

Description: Patent for "a simple and inexpensive advertising device adapted to be placed on street corners and other public places and capable of exciting the curiosity and attracting attention, and thereby directing the attention of persons to the advertisement" (lines 11-16).
Date: March 20, 1894
Creator: Attaway, Henry F.
Partner: UNT Libraries Government Documents Department

Air-Brake Coupling

Description: Patent for an air brake coupling for use on trains that opens the air valves when the coupling is attached.
Date: June 20, 1911
Creator: Winton, Robert A.
Partner: UNT Libraries Government Documents Department

Air-Cleaning System

Description: Patent for an air cleaning system to be used in homes. Illustrations included.
Date: April 20, 1909
Creator: Mayo, William C. & Houlehan, John
Partner: UNT Libraries Government Documents Department

Advertising-Sign

Description: Patent for large outdoor advertising sign that is inexpensive to illuminate but still catches attention by providing the illusion of movement.
Date: August 20, 1918
Creator: Craig, Richard M.
Partner: UNT Libraries Government Documents Department

Antifreezing Appliance for Water-Pipes.

Description: Patent for anti-freezing appliance for water supply and drain pipes of residences and buildings. The object is provide a device connected with the main and service lines of a hours supply water system for the purpose of avoiding interfering with the operation of the service.
Date: January 20, 1920
Creator: Davis, Thomas A.
Partner: UNT Libraries Government Documents Department

Balanced Pump.

Description: Patent for a new and improved balanced pump. This design "relates to improvements in balanced pumps having two vertical receiving-cylinders provided with vertically-reciprocating plungers, and two vertical delivery-cylinders provided with plunging-barrels, all being provided with suitable valves operating automatically in conjunction therewith; and the objects of [the] invention are, first, to provide a pump by means of which water or other fluids may be conducted or raised with but little prop… more
Date: April 20, 1886
Creator: Ramsey, Haley S.
Partner: UNT Libraries Government Documents Department

Apparatus for Feeding Seed-Cotton to Gins

Description: Patent for an improvement to seed feeders "to improve and simplify the feed mechanisms of such machines or apparatus and provide means whereby a number of rigidly depending chutes
Date: December 20, 1892
Creator: Murray, Stephen D.
Partner: UNT Libraries Government Documents Department

Cattle-Guard.

Description: Patent for a simple cattle-guard that provides an unstable footing for the cattle without injuring them, and thus preventing the cattle from going onto train tracks. The cattle do not get injured when stepping on this device.
Date: February 20, 1894
Creator: Brady, Peter L.
Partner: UNT Libraries Government Documents Department

Animal-Poke.

Description: Patent for "a light and effective head-frame for horned cattle, designed to prevent their going through or injuring wire fences or from goring persons or animals." (Lines 14-18) Includes instructions and illustrations.
Date: July 20, 1897
Creator: Moore, John H.
Partner: UNT Libraries Government Documents Department

Cattle-Guard

Description: Patent for a cattle guard for use at railroad tracks incorporating a depressible platform connected to a closing mechanism which will impede movement of cattle across the track, but allow for unobstructed movement at other times.
Date: March 20, 1906
Creator: Richter, Fred Otto & Richter, Gustav Adolph
Partner: UNT Libraries Government Documents Department

Cattle-Guard

Description: Patent for a cattle-guard on railroad tracks.
Date: January 20, 1903
Creator: Richardson, Columbus John
Partner: UNT Libraries Government Documents Department

Animal-Trap

Description: Patent for a small animal trap which consists of a cage suspended in the air on a spring system which drops when an animal disturbs the bait.
Date: July 20, 1909
Creator: Franks, Marion M.
Partner: UNT Libraries Government Documents Department

Attachment for Converting Motor-Propelled Vehicles into Tractors.

Description: Patent for a device which attaches a "tractor which can be used to draw plows, harrows, cultivators, mowers, reapers, and other agricultural implements" (lines 12-17) to motor vehicles, thus converting the motor vehicle into a tractor.
Date: July 20, 1915
Creator: Wynne, William P.
Partner: UNT Libraries Government Documents Department
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