14 Matching Results

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Bottle.

Description: Patent for a bottle that has a mechanism near its opening, and when the cork is pulled out, it becomes impossible to refill the bottle and use it again. The point of this bottle is so that after it has been sealed, it cannot be opened and emptied without apparent evidence that it has been opened.
Date: May 4, 1897
Creator: Phillips, George C.
Partner: UNT Libraries Government Documents Department

Spring

Description: Patent for a spring "wherein all of the parts are removably connected to each other so as to be convenient and inexpensive to repair." (Line 11-14)
Date: November 3, 1914
Creator: Avera, Lawrence A.
Partner: UNT Libraries Government Documents Department

Direction Signal

Description: Patent for a "direction indicator" (lines 12-13) adapted for se in vehicles. Created for a simple method to inform other drivers of the intended direction of the car it is installed in.
Date: August 27, 1918
Creator: Hayhurst, Clark R.
Partner: UNT Libraries Government Documents Department

Spark-Plug

Description: Patent for improvement of spark-plugs, an automotive engine component.
Date: September 2, 1919
Creator: Hill, John L.
Partner: UNT Libraries Government Documents Department

Wax-Press

Description: Patent for a wax press for pressing oil out of wax that does not have to be opened to test the wax or remove it for use.
Date: April 23, 1912
Creator: Hansen, Julius
Partner: UNT Libraries Government Documents Department

Topping Device for Sugar-Beets.

Description: Patent for a machine to remove the tops of beets while they are still in the ground "without packing or injuring the beets and without removing more or less than the exact portion required" (lines 15-18).
Date: June 30, 1914
Creator: Sutton, Frank R.
Partner: UNT Libraries Government Documents Department

Range-Finder For Small-Arms.

Description: Patent for an improved Range-Finder for Small-Arms at an inexpensive price which can be attached at any rifle specifically designed and used in the United States Army.
Date: November 24, 1914
Creator: Guild, George R.
Partner: UNT Libraries Government Documents Department
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