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Building-Block Construction.

Description: Patent for concrete blocks used for construction, including illustrations.
Date: July 20, 1915
Creator: Gray, Frank
Partner: UNT Libraries Government Documents Department

Spear

Description: Patent for a spear that is used to help withdraw or remove pipes that may get stuck in wellbores.
Date: April 20, 1920
Creator: Gray, Ellsworth
Partner: UNT Libraries Government Documents Department

Telephonometer

Description: Patent for measuring and recording the length of time when a telephone has been in use. It is simple and inexpensive.
Date: October 15, 1918
Creator: Gray, Frank
Partner: UNT Libraries Government Documents Department

Cultivating Machine

Description: Patent for a cultivating machine. Illustration included.
Date: May 17, 1904
Creator: Gray, Albert
Partner: UNT Libraries Government Documents Department

Cotton-Picker.

Description: Patent for an electric motor operated cotton picker, which is worn on the body and sucks the cotton bolls through a nozzle into a bag.
Date: April 20, 1909
Creator: Gray, Sidney J.
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for "construction and arrangement of arrow-shaped draw-heads and lever-bars adjustable upon rack-bars for the purpose of raising and lowering the draw-heads" (lines 16-20)including instructions and illustrations.
Date: April 20, 1880
Creator: Gray, John D.
Partner: UNT Libraries Government Documents Department

Apparatus for Destroying Insects.

Description: Patent for a new and improved apparatus for killing ants. This design "consist[s] of frame, levers, pivoted arms, piston-rod, piston provided with valves and openings, air-tight iron chamber having opening pipe, furnace provided with double lid, lugs, pipe, clamp, and wedge . . . whereby the flame as well as the poisonous vapors are injected into the insect chambers" (lines 50-58).
Date: August 2, 1881
Creator: Gray, Hiram Balderston
Partner: UNT Libraries Government Documents Department

Composition of Matter for Saving Coal During Combustion.

Description: Patent for cheap, effective compound to sprinkle on coal to render it more combustible so that it burns more cleanly and soot is not emitted.
Date: June 11, 1895
Creator: Stokey, David Gray
Partner: UNT Libraries Government Documents Department

Umbrella and Sun Shade.

Description: Patent for a new and improved (sun) umbrella. This design utilizes an adjustable metal frame that can be attached to a piece of equipment (e.g., a tractor) or worn comfortably by a person. This allows for hands-free use while being protected from the sun and/or rain.
Date: February 8, 1881
Creator: Gray, Hiram Balderston
Partner: UNT Libraries Government Documents Department

Well Pumping Mechanism

Description: Patent for well pumping mechanism. Illustration included.
Date: November 22, 1910
Creator: Gray, William T.
Partner: UNT Libraries Government Documents Department

Record-Printing Device.

Description: Patent for record printing device that is used on cars for mechanics to record the car number and other data. The printing device is more durable especially though rough weather and easy to use by the mechanic.
Date: March 22, 1921
Creator: Gray, Dexter B.
Partner: UNT Libraries Government Documents Department

Two-Stage Pump

Description: Patent for a two stage pump. Illustrations included.
Date: July 12, 1910
Creator: Gray, William T.
Partner: UNT Libraries Government Documents Department

Improvements in Apparatus for Concentrating Acid

Description: Patent for an apparatus for concentrating acid. This apparatus relates to concentrating weak acid taken from petroleum sludge.
Date: October 10, 1911
Creator: Gray, Elisha Burritt
Partner: UNT Libraries Government Documents Department

Wheel-Scraper.

Description: Patent for a scraper to be mounted on a vehicle for the purpose of removing mud from a wheel. Includes instructions and illustrations.
Date: October 26, 1897
Creator: Gray, John B.
Partner: UNT Libraries Government Documents Department

Improvement in Churns

Description: Patent for a geared mechanism to attach to existing churns to aid in the production of cream into butter. Illustrations include front and side elevations.
Date: January 23, 1877
Creator: Gray, Whitley F.
Partner: UNT Libraries Government Documents Department

Mechanical Power.

Description: Patent for a machine that "has relation to mechanical powers designed for stump-pulling, hoisting heavy weights, &c.; and it consists in the construction and novel arrangement of parts" (lines 21-24).
Date: April 29, 1884
Creator: Gray, William Smith
Partner: UNT Libraries Government Documents Department

Floating Body.

Description: Patent for improvements to balloons or floating bodies in order to provide for a floating body "consisting of a flexible air or gas receiver, made to imitate or resemble animate or inanimate objects, so as to assume when inflated the shape of a human head or bust, birds, statues, animals, or any other desired object" (lines 14-19), including illustrations.
Date: November 20, 1900
Creator: Bailey, Edward Gray
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a plow where a stock or standard is pivoted to and adjustably connected with the beam which features improvements in construction, arrangement, and combination of parts.
Date: October 21, 1902
Creator: Reeves, Beverly Gray
Partner: UNT Libraries Government Documents Department

Abdominal Supporter.

Description: Patent for a new and improved abdominal supporter. This design "consist[s] of the waist-belt, the abdominal sector-shaped pads hung from the waist-belt by elastic straps, the straps buttoned to the belt behind and to the bottom of the abdominal pads in front, the side straps connecting the abdominal pads with the pieces at the back, and the front strap connecting the two abdominal pads together with the shoulder-straps" (lines 70-79).
Date: December 25, 1888
Creator: Gray, Harriet N.
Partner: UNT Libraries Government Documents Department

Soap.

Description: Patent for a system of making soap and the amount of the ingredients therein.
Date: August 30, 1892
Creator: Gray, John & Simmons, Abner
Partner: UNT Libraries Government Documents Department

Barrel-Stand.

Description: Patent for improvments to barrel stands and related to the "object in view being to provide a simple, and convenient stand for holding barrels and casks and permitting the same to be readily turned with slight exertion from a vertical to a horizontal position and vice versa" (lines 9-12) including illustrations.
Date: August 27, 1901
Creator: McClary, Rufus E. & Gray, Thomas S.
Partner: UNT Libraries Government Documents Department

Mechanism for Rotating a Locomotive-Headlight.

Description: Patent for a "manually operated mechanism that will enable a locomotive engineer to rock the headlight about a pivotal access without leaving his cab" (lines 12-15), including illustrations.
Date: August 18, 1914
Creator: Teter, William E. & Gray, Charles B.
Partner: UNT Libraries Government Documents Department
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