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Well-Boring Apparatus

Description: Patent for a well-boring apparatus that has a rotary drill pipe.
Date: November 12, 1912
Creator: Norris, Joseph B.
Partner: UNT Libraries Government Documents Department

Hoisting-Machine

Description: Patent for a new Hoisting-Machine. The Hoisting Machine has improved arrangement of parts that control the device's braking drum. Improving the Hoisting Machine construction is useful for reducing wear on the machine.
Date: May 21, 1912
Creator: Johnston, Horace
Partner: UNT Libraries Government Documents Department

Removable Mouthpiece for Smoking-Pipes

Description: Patent for a removable mouthpiece for smoking pipes that is made of rubber and prevents saliva from going into the pipe.
Date: September 3, 1912
Creator: Lindley, Frederick R.
Partner: UNT Libraries Government Documents Department

Reversible Automobile-Lamp

Description: Patent for a reversible automobile taillight that can be changed to four different colors to indicate different things.
Date: September 10, 1912
Creator: Minhinnett, George F.
Partner: UNT Libraries Government Documents Department

Pipe-Tongs.

Description: Patent for pipe tongs used for rotary well boring machinery. The tongs are designed to be carried with and used by rotary machines.
Date: February 13, 1912
Creator: Johnston, Horace G.
Partner: UNT Libraries Government Documents Department
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