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Envelop.

Description: Patent for an envelope "whereby the cutting device acts as a partial ejector for the letter" (lines 12-13), including illustrations and instructions.
Date: December 1, 1914
Creator: Donaldson, James Macon
Partner: UNT Libraries Government Documents Department

Safe Lock

Description: Patent for providing "a means which will necessitate the operation of a series of setting devices before the several bolts can be moved to unlock the door". (lines 11-14).
Date: June 13, 1918
Creator: Harris, William J. B. of Bonham, TX
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a wrench that allows adjustment to two locked positions with a slot and stud mechanism.
Date: May 22, 1917
Creator: Bledsoe, Yancy M.
Partner: UNT Libraries Government Documents Department

Water Tank and Filter.

Description: Patent for water tank and filter that is cost effective for filtering rainwater or hydrant water. The water tank and filter are designed so that the filter can be removed or moved easily around the tank.
Date: September 7, 1915
Creator: Wilkerson, Charles J.
Partner: UNT Libraries Government Documents Department

Latch

Description: Patent for improvements to latches for swinging gates and doors and provide a method of opening the latch from either side of the gate.
Date: November 24, 1914
Creator: Hilder, Volny R.
Partner: UNT Libraries Government Documents Department

Step-By-Step Elevator.

Description: Patent for an invention relates to a new and useful step-by-step elevator. Its object is broadly stated to provide means for ascending or descending from one of a building to another.
Date: October 27, 1914
Creator: Barrett, Eli B.
Partner: UNT Libraries Government Documents Department

Subsoiler.

Description: Patent for improvements to subsoilers "to provide a subsoiler which has a plurality of pivoted points which will merely loosen the under soil so that same may retain a large amount of moisture, and will not turn the under soil over" (lines 10-15).
Date: March 24, 1914
Creator: Aydlott, James M.
Partner: UNT Libraries Government Documents Department

Measuring Instrument.

Description: Patent for caliper style measuring instrument which may be used as a micrometer. This measuring instrument features legs that may be used for measuring the inside or outside dimensions of an object.
Date: October 23, 1917
Creator: Taylor, Albert J.
Partner: UNT Libraries Government Documents Department

Meat-Scale.

Description: Patent for a meat scale "designed for weighing large pieces of meat while the scale is also adjustable subsequent to determining the total weight of the meat" (lines 16-19) including illustrations.
Date: December 17, 1918
Creator: Stringer, Joe John
Partner: UNT Libraries Government Documents Department

Steam-Radiator.

Description: Patent for a steam radiator for heating the cab of a locomotive.
Date: April 18, 1911
Creator: McBurney, Samuel L.
Partner: UNT Libraries Government Documents Department

Motor-Vehicle Heater.

Description: Patent for improvements for a motor vehicle heater that "convey the exhaust gases from the muffler to a container capable of inflation and to inflate said container whereby a heating or warming element for the passengers of the car is provided" (lines 10-14).
Date: June 17, 1919
Creator: Barrett, Eli B.
Partner: UNT Libraries Government Documents Department

Hinged Connection

Description: Patent for a simply designed, durable, and inexpensively produced hinged connection between any swinging item (i.e., door) and non-swinging item (i.e., door jam).
Date: April 13, 1915
Creator: Coleman, Paul H.
Partner: UNT Libraries Government Documents Department

Spring Wheel

Description: Patent for a form of tire designed in such a way to avoid the dangers of a punctured tire. This is done by an arrangement of crossing springs used to support the outer wall of the tire instead of inflatable medium.
Date: June 3, 1913
Creator: Dwiggins, R, Sam & Kelley, E, Lawrence
Partner: UNT Libraries Government Documents Department

Spring-wheel for Vehicles.

Description: Patent for an improved wheel with "spring cushioning devices between the sections for insuring easy running of the vehicle by the spring devices absorbing shocks" (lines 11-14).
Date: February 24, 1914
Creator: Luttrell, William J.
Partner: UNT Libraries Government Documents Department

Sanitary Cleaner for Bed-Springs.

Description: Patent for a new invention to more effectively clean bed springs, including illustrations.
Date: June 16, 1914
Creator: Gambill, Mary I.
Partner: UNT Libraries Government Documents Department

Reed-Organ.

Description: Patent for "a removable attachment for a reed organ or harmonium, to be placed upon the wind chest either the tremble or bass end of the keyboard, or at both ends..." (lines 8-12) including illustrations and instructions.
Date: December 30, 1913
Creator: Rue, Oliver H.
Partner: UNT Libraries Government Documents Department

Separator-Guard.

Description: Patent for a separator-guard for spinning frames. It prevents "the yarn from being entangled in or caught by the devices for attaching the separators to their support" (lines 15-17). Illustrations included.
Date: July 5, 1912
Creator: Pitts, Arthur
Partner: UNT Libraries Government Documents Department

Roof-Climber.

Description: Patent for a roof climber for use by workers on roofs that allows them to stand supported by it or sit on it and have their weight equally distributed
Date: November 8, 1910
Creator: Wilkerson, Thurston A.
Partner: UNT Libraries Government Documents Department

Resilient Wheel

Description: Patent for an improved automobile spring wheel that has an auxiliary tread and is separate from the spokes, so that it adds cushioning to the spokes.
Date: March 23, 1916
Creator: Luttrell, William J.
Partner: UNT Libraries Government Documents Department

Saw Gage and Filing Clamp

Description: Patent for a combined saw gage and clamp which can be "applied to a saw blade to gage the depth of the cut as well as reversed and used as a clamp for the saw blade in setting the teeth" (lines 16-18).
Date: April 1, 1913
Creator: Curby, George W.
Partner: UNT Libraries Government Documents Department

Fluid- Dispensing Control

Description: Patent for the improvement of fluid dispensing controls. The invention provides a more efficient way to discharge fluid from a storage container by using compressed air, and valve arrangement.
Date: April 22, 1919
Creator: Catron, John J
Partner: UNT Libraries Government Documents Department

Fluid-Dispensing Apparatus.

Description: Patent for improvements to a fluid-dispensing apparatus for fluids such as oil. Safety features relieve air pressure through a valve and a pressure tank.
Date: July 21, 1914
Creator: Catron, John James
Partner: UNT Libraries Government Documents Department

Fireproof Flue.

Description: Patent for a fireproof flue that prevents the roof from being burned, where the stovepipe goes through the roof.
Date: April 25, 1911
Creator: Davis, George W. & Shipman, Abraham T.
Partner: UNT Libraries Government Documents Department

Necktie-Retainer

Description: Patent for necktie retainers that can be slipped into turndown collars while retaining neckties or scarfs against pulling down or moving sidewise, with illustration (lines 10-15).
Date: March 16, 1915
Creator: Yeager, Margaret Sanders
Partner: UNT Libraries Government Documents Department
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