UNT Libraries Government Documents Department - 12 Matching Results

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Arc-Lamp Attachment

Description: Patent for improving arc lamp attachments. The attachment allows an arc lamp to be able to use an incandescent lamp in place of the electrodes in an arc lamp. The attachment increases the efficiency and durability of the arc lamp.
Date: April 2, 1918
Creator: Pratt, James R.
Item Type: Refine your search to only Patent

Dry Closet.

Description: Patent for a new design that improves "construction, utility, and efficiency of dry closets"(lines 10-11) that would also allow the use of an attachment specifically for dry closet seats. Includes design for mesh cloth to capture waste.
Date: April 24, 1917
Creator: Mershon, John H.
Item Type: Refine your search to only Patent

Explosion Engine Starter

Description: Patent for a new type of automobile starter, able to replace the hand crank. This device will be able to start the automobile without having to turn a crank, It will attach to the crank shaft of the engine and make it much easier to start the automobile.
Date: April 28, 1914
Creator: Miller, Charles R.
Item Type: Refine your search to only Patent

Firearm.

Description: Patent for firearm with improvements to the cartridge carries or lifter and safety device for locking the trigger, including illustrations.
Date: April 25, 1916
Creator: McLean, Grover C.
Item Type: Refine your search to only Patent

Grain-Car Door.

Description: Patent for Grain-Car Door. "The object the present invention is to arrange the door for use in transporting grain without requiring any additional grain door or planking on the inside door opening." (Line 3)
Date: April 23, 1918
Creator: Hartough, Edward W.
Item Type: Refine your search to only Patent
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