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Detachable Inside Door-Lock.

Description: Patent for a detachable inside door-lock. This is a simple locking device that can be applied and removed from any type of door. The purpose is to make a room private and burglar proof.
Date: September 6, 1921
Creator: Arledge, Elbert H.
Partner: UNT Libraries Government Documents Department

Gas-Purifier

Description: Patent for a device that separates impurities and contaminants from gas used in generators. A series of filters, and baffles are used to extract impurities to the gas supplied to a generator.
Date: September 16, 1919
Creator: Modlin, Frank E.
Partner: UNT Libraries Government Documents Department

Hairpin

Description: Patent for preventing "the accidental displacement of the dislodgment of the pin from the hair of the wearer." (Lines 11-12).
Date: September 11, 1919
Creator: Nalle, Charles R. of Forth Worth, TX
Partner: UNT Libraries Government Documents Department

Device for Cleaning Wells

Description: Patent for improving the efficiency of oil wells.
Date: September 2, 1919
Creator: Sargent, Lemuel S.
Partner: UNT Libraries Government Documents Department

Improvements for Apparatus for Sealing Pipe-Joints

Description: Patent for apparatus for sealing pipe-joints. Improvements and unique changes are explained in the text of the patent submission, accompanied by diagrams of the patent.
Date: September 18, 1917
Creator: Woodward, Edwin C
Partner: UNT Libraries Government Documents Department

Hot and Cold Cotton Seed Cake Cutter

Description: Patent for Hot and Cold Cotton Seed Cake Cutter
Date: September 5, 1916
Creator: Helm, Clyde D.
Partner: UNT Libraries Government Documents Department

Bag-Turner

Description: Patent for "a machine which will perform the whole act of turning a sack" (lines 11-12), including illustrations.
Date: September 28, 1915
Creator: Hirschfeld, Ike
Partner: UNT Libraries Government Documents Department

Combined Door-Bell and Mail-Receiver

Description: Patent for a combined door-bell and mail-receiver "devices for receiving and holding mail" (lines 9-10).
Date: September 21, 1915
Creator: McDonald, James A.
Partner: UNT Libraries Government Documents Department

Nutcracker

Description: Patent for improvements in nutcrackers that make it easier and safer to use, and more easily retrieve the contents of the nut. It is durable and can be manufactured at low cost.
Date: September 15, 1914
Creator: Dato, Edward
Partner: UNT Libraries Government Documents Department

Lid Mover for Ice Boxes, Refrigerators, and the Like.

Description: Patent for a lid mover for ice boxes, refrigerators, ice cream cabinets, etc., that allows the lid to move parallel to the top of the box or other device. The patent includes instructions and illustrations.
Date: September 8, 1914
Creator: White, Brown
Partner: UNT Libraries Government Documents Department

Silo.

Description: Patent for a new, water-tight silo that can be easily assembled without skilled labor and can be set up anywhere, including illustrations.
Date: September 1, 1914
Creator: Brookshire, Samuel N.
Partner: UNT Libraries Government Documents Department

Matrix-Molding Device

Description: Patent for improvements to matrix-molding devices, "and the object is to provide simple devices which are carried by the matrices or molding devices for forming rule retaining members which have angular grooves" (lines 14-17).
Date: September 12, 1913
Creator: Markwell, Andrew E.
Partner: UNT Libraries Government Documents Department

Packing-Ring for Piston-Rods.

Description: Patent for a packing ring that will go on conveniently and will create an effective packing without putting wear on the piston.
Date: September 2, 1913
Creator: Bryant, Clarence Ross
Partner: UNT Libraries Government Documents Department

Tunnel-Driving Machine.

Description: Patent for "new and useful Improvements in Tunnel- Driving Machines" (lines 5-6), including instructions and illustrations.
Date: September 2, 1913
Creator: Speer, George F.
Partner: UNT Libraries Government Documents Department

Valve for Explosive-Engines.

Description: Patent for engine valves (rotary type) that are noiseless, connected to the the engine cylinders so that they are self grinding and self adjusting, and that cover and uncover the spark plug in a way that prevents fouling it.
Date: September 2, 1913
Creator: Ray, Albert J.
Partner: UNT Libraries Government Documents Department

Feed-Trough

Description: Patent for a feed trough for chickens and other small animals.
Date: September 24, 1912
Creator: Davis, James H.
Partner: UNT Libraries Government Documents Department

Theatrical Schedule and Advertising Cabinet

Description: Patent for a display cabinet used for advertising theatrical plays and their time and location. Illustrations included.
Date: September 10, 1912
Creator: Mullaly, Thomas W.
Partner: UNT Libraries Government Documents Department

Pump-Controlling Switch.

Description: Patent for a pump controlling electric switch that automatically turns on the pump when water covers it and turns off the switch when it is dry.
Date: September 26, 1911
Creator: Gamer, Charles
Partner: UNT Libraries Government Documents Department

Safety-Catch for Breastpins, &c.

Description: Patent for a safety catch for breast pins, brooches, and other jewelry, that, while easy to easy to use, will not come lose during normal wear. It uses a rigid guard and spring to hold the tongue of the pin in place until released with a lever.
Date: September 19, 1911
Creator: Ferruggiari, Cesar
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for a cotton chopper with an adjustable disk.
Date: September 5, 1911
Creator: Burton, Walter C.
Partner: UNT Libraries Government Documents Department

Automobile-Radiator

Description: Patent for an automobile radiator which does not leak.
Date: September 27, 1910
Creator: Garrison, Fernando G.
Partner: UNT Libraries Government Documents Department
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