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Underreamer.

Description: Patent for an underreamer that will be used to ensure that the well casing is clean. Its construction is simple and can be made cheaper than older devices of the same type.
Date: February 9, 1914
Creator: Pippin, John W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Muzzle

Description: Patent for a muzzle designed for horses. Illustration included.
Date: February 22, 1910
Creator: Lipscomb, James H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil Controller

Description: Patent for improvements in oil controllers with interest in controlling fuel and air flow into burners.
Date: February 29, 1916
Creator: Johnson, Albert L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spur.

Description: Patent for an improvement in spurs, this one containing a forked end with a rowel on each end of the fork. This is to ensure the rowels have a broad surface adjacent to each rowel and to prevent less injury to an animal when in use.
Date: February 4, 1919
Creator: Cook, Landon H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plate-Lifter

Description: Patent for an "...improved lifter whereby certain important advantages are attained and the device is rendered simpler, less expensive and otherwise more convenient..." (lines 19-23).
Date: February 28, 1917
Creator: Mitchell, Frank
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Telephone Selecting System

Description: Patent for a telephone selecting system. This invention is designed to arrange telephones attached to the same line. Illustration included.
Date: February 15, 1910
Creator: Jones, David W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Watering Trough

Description: Patent for livestock water trough that has a removable cover to prevent detritus from getting into the water.
Date: February 20, 1917
Creator: Scott, Charles F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Scraper.

Description: Patent for a scraper for floors and walls that attaches to a broom handle.
Date: February 27, 1912
Creator: Pettit, Lee
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Drainage-Bottle

Description: Patent for a drainage bottle that can be attached/detached from the person and is used for draining wounds.
Date: February 19, 1918
Creator: Wofford, William Fillmore
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gate Valve

Description: Patent for gate valves for oil and other types of reservoirs.
Date: February 22, 1916
Creator: Barry, Herbert & Hindglass, Allen
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Screen-Door Hinge

Description: Patent for a screen door hinge for both half or full length screens. Illustrations included.
Date: February 18, 1913
Creator: McFarland, Frank H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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