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Wrench.

Description: Patent for wrench related device "for locking the gripping element after it is applied to the pipe or other pipe (lines 14-15)" including instructions and illustration.
Date: October 19, 1915
Creator: Black, Lee J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Type Writing Machine

Description: Patent for type-writing machine used to center heading on a document in typewriting machines. With the success of the invention, the carriage-spacing key is depressed once for each letter in the word being centered.
Date: August 1, 1916
Creator: Barker, Benjamin F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Internal Combustion Engine.

Description: Patent for a simplified internal combustion engine that is lighter and more efficient than previous models. It also features detachable and removable parts that will decrease time and cost of repairs, includes illustrations.
Date: July 29, 1919
Creator: Higbee, Charlie D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hydraulic Pressure and Time Indicator

Description: Patent for hydraulic pressure and time indicator for "recording the times when hydraulic cylinders are in operation and to indicate when the cylinders commence work or reach the required pressure" (lines 10 - 14).
Date: December 24, 1918
Creator: Helm, Clyde D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Package-Tie.

Description: Patent for a tie that fastens the ends of a string together for the purpose of securely wrapping packages, including instructions and illustrations.
Date: March 23, 1915
Creator: Forsgard, Edward F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tag Holding Device.

Description: Patent for a device for attaching price tickets or tags to fabric or other goods, including instructions and illustrations.
Date: September 15, 1914
Creator: Towler, Mary E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Non-Refillable Bottle.

Description: Patent for a sealed bottle that cannot be refilled once the contents have been used, intended to prevent commercial fraud, including illustrations.
Date: July 20, 1915
Creator: Matthews, William J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cultivator-Hopple.

Description: Patent for "a cultivator hopple that will require very little manual exertion to adjust the cultivator beams between their limiting positions." (lines 10-13) including instructions and illustrations.
Date: March 30, 1915
Creator: Hill, Josef D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Shock Absorber

Description: Patent for an improved shock absorber design to be used in motorized vehicles in order to prevent damage caused by sudden stops and jolts to the vehicle.
Date: October 4, 1919
Creator: Davis, Francis M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Account-Index.

Description: Patent for an account index card holder with “superposed parallel arms” (lines 111-112) that allow portions of the front and reverse side of each card to be visible. The holder and its supports may be used with a system for organizing, tracking, and indexing accounts.
Date: November 4, 1913
Creator: Roach, William Eli
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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