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Wireless Break-Key

Description: Patent for a wireless break key that allows a station to just have one aerial line and prevents burn out of the machinery and injury to operators while transmitting messages faster than other wireless devices.
Date: December 31, 1912
Creator: Mobley, Grier P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Internal Combustion Engine.

Description: Patent for improved internal combustion engine design that replaces puppet valves with slide valves to increase port area and speed, while reducing noise. Includes illustrations.
Date: July 9, 1912
Creator: Garfield, George M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Transplanter

Description: Patent for a transplanter to move a rooted cotton plant and the soil around it to a different location. Illustrations included.
Date: September 17, 1912
Creator: Matthews, James T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electric-Lamp Attachment.

Description: Patent for an electric-lamp attachment, "the primary object of this invention being the provision of a lamp socket attachment of supporting means in combination with a switch, whereby the current energizing the filament of an incandescent lamp is so controlled as to produce different degrees of incandescence in the filament and thus produce different degrees of radiance to produce a dim or a highlight as may be desired" (lines 9-18). Illustrations included.
Date: April 23, 1912
Creator: McNeel, William Pinkney
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Propeller

Description: Patent for a boat propeller that does not create a vacuum behind it and is more efficient than other propellers.
Date: July 23, 1912
Creator: Blake, David H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gage or Indicator for Liquid-Tanks.

Description: Patent for a gage or indicator for liquid tanks of inflammable and explosive liquids. Its main purpose is to prevent leakage to minimize danger from fire, including illustrations and instructions.
Date: April 23, 1912
Creator: Surber, Steven P.
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

Revolving Case and Account Register

Description: Patent for revolving case and cash register. This device is designed as an account system and provides customers with and account book for keeping records. Illustrations included.
Date: June 25, 1912
Creator: Trenton, Albert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gate

Description: Patent for a gate. This invention allows a movable gate to hang on ball bearing hangers without sagging. Illustrations included.
Date: December 3, 1912
Creator: Wade, William & Peterson, Mack C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fly-Trap.

Description: Patent for a fly trap that is simple to make and use.
Date: February 13, 1912
Creator: Wallace, William Simpson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automobile-Indicator

Description: Patent for an automobile indicator which shows the license number of the car and the state in which the license was issued. Illustrations included.
Date: May 7, 1912
Creator: Hoaker, John & Banks, William I.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Brake

Description: Patent for "new and useful Improvements in Car-Brakes" (lines 6-7) relating to a railroad brake operating mechanism, including instructions and illustrations.
Date: February 6, 1912
Creator: Klasing, Augustus Frederick
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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