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Fly-Trap.

Description: Patent for an improved fly-trap that effectively ensnares flies while providing an efficient method of fly disposal and easier access to the trap for cleaning, including illustrations.
Date: March 9, 1915
Creator: Crawford, James
Partner: UNT Libraries Government Documents Department

Apparatus for Extracting Wax from Plants

Description: Patent for "an apparatus for extracting wax from the candelilla plant and other species of plants of the class Myrica." (lines 9-12)
Date: March 14, 1911
Creator: Frank Thatcher, of El Paso, Texas
Partner: UNT Libraries Government Documents Department

Wire Clamp or Grip

Description: Patent for a wire clamp or grip. Illustration included.
Date: March 10, 1908
Creator: Eubank, Josephus H. & Merchant, W. B.
Partner: UNT Libraries Government Documents Department

Tubular Plate-Casting Box

Description: Patent for a device that improves the methods of tubular plate casting.
Date: March 14, 1916
Creator: Harm, John William
Partner: UNT Libraries Government Documents Department

Lateral-Wear Reducer for Locomotives.

Description: Patent for lateral wear reducer for locomotives that prevent or reduces wear on the train wheels.
Date: March 29, 1921
Creator: Paxton, Thomas
Partner: UNT Libraries Government Documents Department

Lemon-Squeezer.

Description: Patent for a new lemon squeezer design for "table purposes" (line 15) and "to provide a sanitary lemon squeezer" (lines 19-20) including instructions and illustrations.
Date: March 14, 1911
Creator: Carroll, Frank
Partner: UNT Libraries Government Documents Department

Hydraulic Classifier.

Description: Patent for hydraulic classifier for the treatment of ore. The invention subjects settling solid particles to a secondary classification and prevent the contamination of the settling solids before they are discharged.
Date: March 21, 1922
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Music-Leaf Turner.

Description: Patent for "...an improvement in music-leaf turners...by which the leaves may be readily turned from side to side as desired..." (lines 9-12) including illustrations.
Date: March 4, 1902
Creator: Dascomb, Charles Henry
Partner: UNT Libraries Government Documents Department

Tag-Fastener

Description: Patent for a device that attaches a tag to an item with rope or cord wrapping.
Date: March 14, 1916
Creator: Hine, Frank B.
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel Attachment.

Description: Patent for a vehicle-wheel attachment to prevent wheel from moving and vehicle theft.
Date: March 1, 1921
Creator: Rodriguez, Mariano Magdaleno
Partner: UNT Libraries Government Documents Department

Cartridge Holder

Description: Patent for a belt adapted to hold the shells used in fire arms.
Date: March 6, 1917
Creator: Logan, Paul H.
Partner: UNT Libraries Government Documents Department

Rail-Fastening Device

Description: Patent for a rail fastening device that can be used on various materials and does not require the use of bolts or screws.
Date: March 7, 1911
Creator: Bergen, James V.
Partner: UNT Libraries Government Documents Department

Pulling Attachment for Vehicles.

Description: Patent for vehicle pulling attachment improvements for motor operative winch designed to retrieve stalled vehicles and includes driver foot pedal engagement.
Date: March 13, 1917
Creator: Zane, Edmund L.
Partner: UNT Libraries Government Documents Department

Pipe Connection.

Description: Patent for a new and improved pipe connection. This design has for its object "to provide a new and improved pipe connection which permits of swinging the several connected pipe-sections at angles to each other. The invention consists of two pipe-heads fastened together and turning on a spring-bolt, and of a packing placed between the said pipe-heads to prevent leakage" (lines 8-15).
Date: March 15, 1887
Creator: Jones, William E. & Winniatt, Harry
Partner: UNT Libraries Government Documents Department

Overflow Control for Separating Tanks.

Description: Patent for improved overflow control for separating tanks, accounting for, "slime thickness, settling tanks, separating tanks, and the like," ensuring, "uniform overflow." (lines 8-10; 27), with instructions and illustrations.
Date: March 4, 1919
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Electric-Circuit -Closing Device.

Description: Patent for certain new and useful improvements in electric circuit closing devices.
Date: March 22, 1898
Creator: Newman, George
Partner: UNT Libraries Government Documents Department

Rotary Engine.

Description: Patent for a rotary engine, which can be powered with a variety of different power sources and is more efficient and durable than previous ones.
Date: March 31, 1908
Creator: Schaefer, Herbert Clyde
Partner: UNT Libraries Government Documents Department

Sprinkling Device

Description: Patent for a lawn sprinkling device composed of multiple pipes that are configured into one self-sufficient structure. The discharge nozzle is angular and can be adjusted to point in different lawn areas.
Date: March 29, 1921
Creator: Gomez, Blas
Partner: UNT Libraries Government Documents Department

Direction-Indicator.

Description: Patent for a new useful improved direction-indication that will allow an operator of an automobile to indicate to traffic in front and rear the direction in which the operator will make it's turn. The indicator will also indicate when a stop is contemplated.
Date: March 16, 1920
Creator: Gmelin, Ernst W.
Partner: UNT Libraries Government Documents Department

Frame for Jaw Crushers

Description: Patent for "new and useful Improvements in frames for Jaw-Crushers (lines 8-9) including illustrations.
Date: March 25, 1919
Creator: Easton, William B. & Cole, David
Partner: UNT Libraries Government Documents Department

Distilling Device

Description: Patent for a water distilling device which connects to a hot water boiler in a house.
Date: March 15, 1910
Creator: Nenninger, Oscar A.
Partner: UNT Libraries Government Documents Department

Display-Stand.

Description: Patent for a display stand for dresses in stores that allows them to drape in a natural manner. The display stand is made up of a rod that can be moved up and down through a opening in the store counter, which allows for easy use and storage of the stand.
Date: March 26, 1907
Creator: Glenn, William Holt
Partner: UNT Libraries Government Documents Department

Cotton-Chopper

Description: Patent for a cotton chopper that can be used for cultivation.
Date: March 21, 1911
Creator: Crow, Jesse J.
Partner: UNT Libraries Government Documents Department

Thickener (Sewage Type).

Description: Patent for sewage thickener that relies on sewage solids to sink to the bottom of the sewer and fall into the thickener, in which the thickener will press the solid sewage into a pulp. The pulp will be pressed at a predetermined density, and then the pressed pulp will float to the top of the sewage to be removed. The separation of liquid and solid sewage was predicted to prevent overflow.
Date: March 11, 1920
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department
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