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Non-Refillable Bottle.

Description: Patent for a non-refillable bottle with a valve in the neck that opens to let the contents be poured out of the bottle but seals itself if liquid is poured back in the bottle.
Date: April 25, 1911
Creator: Sargent, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil Burner

Description: Patent for simple and efficient mechanism capable of producing heat which vaporize oil.
Date: March 25, 1912
Creator: Price, Joseph P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe-Pulling Device.

Description: Patent for a device for pulling pipes from wells without damaging the pipe, with a safety feature in case the pipe breaks.
Date: September 25, 1917
Creator: Osborne, William R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Receptacle

Description: Patent for a new design for a vegetable receptacle or bin which allows for open circulation of air around the vegetables and has multiple compartments in which to store different types of vegetables, including illustrations.
Date: September 25, 1917
Creator: Bering, August C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Piano Key Bushing.

Description: Patent for an improved piano key bushing that designed to reduce sticking of the keys. Important parts of the bushing are made of metal and given ample room to expand without causing friction that might cause the keys to stick.
Date: August 25, 1914
Creator: Rogers, Karl C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a plow used in agriculture to level, scatter, and mix soil. Plow has adjustable settings.
Date: November 25, 1913
Creator: Fielder, William F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gas-Producer.

Description: Patent for a gas producer where gas that is generated through the combustion of coal can simultaneously be enriched by gas that is produced by the gasification of coal oil. It also uses all of the fuel's heat units and leaves no residue of coke.
Date: July 25, 1911
Creator: Steinl, George
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Drop-Feed for Seeders and Planters.

Description: Patent for a drop feed device that dispenses individual seeds (particularly peas) for planting. It attaches to a planter, dropping seeds when activated by the motion of the planter's wheels. A seed guard prevents clogging.
Date: September 25, 1917
Creator: Johnson, Mat P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electric-Line-Apparatus Protector

Description: Patent for electric-line-apparatus protector used to protect telephone and other electrical circuits from damaged caused by electricity. This is a simple and efficient device.
Date: July 25, 1916
Creator: Higgins, Peter K. & Parker, Frederick R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Door Operating Means

Description: Patent for a mechanism to operate jail doors. The mechanism is "operated with a single movement of the hand to open and close a plurality of doors simultaneously" (14-19). Illustrations included.
Date: June 25, 1912
Creator: Youngblood, David Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fumigator.

Description: Patent for a fumigator for fumigating crops that can spray two rows at a time.
Date: April 25, 1911
Creator: Lee, Oliver W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Current-Motor.

Description: Patent for a current motor, which allows a smaller amount of water to be used to generate power for factories, irrigation equipment, and pumping devices.
Date: January 25, 1910
Creator: Brewer, Alden R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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