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Involuting Drawing Instrument

Description: Patent for drawing instrument intended for drawing involuting curves. Includes illustration and instructions.
Date: August 11, 1914
Creator: McCaskill, Oscar E.
Partner: UNT Libraries Government Documents Department

Improvement In Water-Elevators.

Description: Patent for improvements to water-elevators using water-vessels which are suspended from a chain or cord, also known as endless carriers.
Date: August 18, 1877
Creator: Wright, Martin Van Buten
Partner: UNT Libraries Government Documents Department

Magneto-Electric Telegraphy.

Description: Patent for a machine that telegraphs messages between distant points by means of induced currents that produce magnets without the use of battery current, including illustrations.
Date: August 18, 1885
Creator: Brown, Fred H.
Partner: UNT Libraries Government Documents Department

Valve.

Description: Patent for an improvement in valves which "is adapted for connection with pipes or conduits for conducting water, steam, or other fluids; and the object of the invention is to provide a simple and efficient appliance of this character possessing the functions of both a globe and a check valve; and it is adapted to advantageously control the flow of liquid no matter what position or its casing may occupy" (lines 7-15). It includes instructions and illustrations..
Date: August 15, 1899
Creator: Thummel, John
Partner: UNT Libraries Government Documents Department

Land-Breaking Plow.

Description: Patent for an agricultural plow that mixes the soil of multiple layers while keeping the soil in its initial layer to conserve moisture and deliver nitrogen. Plow can be motorized or use animals to function.
Date: August 26, 1913
Creator: Reed, Arthur
Partner: UNT Libraries Government Documents Department

Improvement in Twine-Holders

Description: Patent for improvement in twine-holders to help hold twine, cloth and wrapping to counters for ease of cutting, with illustration.
Date: August 13, 1878
Creator: Turner, John William
Partner: UNT Libraries Government Documents Department

Velocipede.

Description: Patent for a new and improved velocipede. This design "has relation to that class of velocipedes in which the rider is suspended within a large wheel impelled by a frictional contact between the inner periphery of the same and the driving wheel" (lines 8-12). With this design, "by the increased size of wheel, not only is speed gained, but the same may be propelled with greater ease over rough or smooth roads and with greater comfort to the rider, in that the jolt is less, and yet at the same ti… more
Date: August 5, 1890
Creator: Akers, William P.
Partner: UNT Libraries Government Documents Department

Stationery for Transmitting and Recording Bank Collections

Description: Patent for a stationary that can make accurate records of bank item collections, and can be adapted to a typewriter. Illustrations included.
Date: August 2, 1910
Creator: Price, Jacob L.
Partner: UNT Libraries Government Documents Department

Tire-Protector and Antiskidding Device.

Description: Patent for a tire protector and anti-skidding device, which is made up of a flexible metal cover to prevent punctures and reduce wear on the tires, as well as reduce skidding.
Date: August 9, 1910
Creator: Bell, Charles D.
Partner: UNT Libraries Government Documents Department

Stamp-Rack.

Description: Patent for a stamp rack that is designed specifically for bread stamps and carries a spool of stamps in convenient reach of the user or operator. This rack provides the operator with the flexibility of not having to hold the stamps in one hand while he places the stamp on the bread.
Date: August 5, 1913
Creator: Buhl, Augustin
Partner: UNT Libraries Government Documents Department

Land Breaking Plow

Description: Patent for Land Breaking Plow
Date: August 22, 1916
Creator: Reed, Arthur
Partner: UNT Libraries Government Documents Department

Packing-Ring for Piston-Rods.

Description: Patent for improved piston rings used in steam or internal combustion engines that prevent steam or combustion force from leaking by having packing rings automatically expand.
Date: August 31, 1915
Creator: Bryant, Clarence Ross
Partner: UNT Libraries Government Documents Department

Marine Illusion Apparatus

Description: Patent for a Marine Illusion apparatus. This invention is to fit between two boats so that passengers can travel from one boat to another that is attached to a dock. Illustration included.
Date: August 14, 1906
Creator: White, Francis Marion & Langever, James J.
Partner: UNT Libraries Government Documents Department

Press

Description: Patent for "a press adapted particularly for forcing tie-plates into railway-ties" (lines 8-10).
Date: August 13, 1901
Creator: Peter, John S.
Partner: UNT Libraries Government Documents Department

Stock Car

Description: Patent for stock cars. Illustration included.
Date: August 29, 1905
Creator: Wyatt, Everett
Partner: UNT Libraries Government Documents Department

Tire-Casing.

Description: Patent for a new type of puncture-proof tire casing.
Date: August 31, 1920
Creator: Anderson, Arthur V. & Morgan, Alfred M.
Partner: UNT Libraries Government Documents Department

Nut Lock.

Description: Patent for a new and improved nut lock. This design consists in "[t]he combination, with the end-cleft screw-bolt, of the wedge which is made of the same width as the diameter of the bolt, and provided with serrations corresponding to the screw-thread, and the fastening-wire which is wrapped around both bolt and wedge and lies in their respective grooves and serrations" (lines 72-78).
Date: August 23, 1881
Creator: McAllister, Lewis Campbell
Partner: UNT Libraries Government Documents Department

Passenger Mileage-Recorder.

Description: Patent for "new and useful improvements in mileage recorders for steam railway coaches and similar vehicles" (lines 8-10) including illustrations.
Date: August 14, 1888
Creator: West, Samuel M.
Partner: UNT Libraries Government Documents Department

Railway Rail and Chair.

Description: Patent for a new and improved railway rail and chair combination. This design consists in "[t]he combination of the reversible rail and chair-plates . . . so as to leave an open crescent-shaped space below the middle part of the rail and above the inwardly projecting lips" (lines 94-98).
Date: August 2, 1881
Creator: Brown, Frederick H.
Partner: UNT Libraries Government Documents Department

Automatic Valve

Description: Patent for Automatic Valve
Date: August 29, 1916
Creator: Pringle, Henry C.
Partner: UNT Libraries Government Documents Department

Pipe or Cigar Holder.

Description: Patent for a new and useful holder that has a removable nicotine-cup and, it is capable of being used as a cigar or cigarette holder or used as a pipe. Illustration is included.
Date: August 4, 1891
Creator: Delimage, Edgar C.
Partner: UNT Libraries Government Documents Department

Razor-Stropping Device

Description: Patent for a razor-stropping device, which straightens and polishes the razor blade.
Date: August 17, 1915
Creator: Bowman, Levi M. & Farmer, William C.
Partner: UNT Libraries Government Documents Department

Pedal-Action for Pianos

Description: Patent for piano pedals. Illustrations included.
Date: August 2, 1910
Creator: Norcross, Levi Watson
Partner: UNT Libraries Government Documents Department

Pistol Stock Gun.

Description: Patent for a detachable stock member for a pistol stock gun. Decreases the amount of space needed to store the gun when transporting it.
Date: August 17, 1915
Creator: High, Frederick Herman
Partner: UNT Libraries Government Documents Department
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