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Process of Heating Oil-Retorts and Apparatus Therefor.

Description: Patent for "a method of securing even heating of oil retorts and the like throughout their length" and "a new apparatus, particularly intended for the heating and cracking of oils to convert the same into pyrolytic products". The invention may be used for any oil converting retort, but the patent description relates to the production of gasoline.
Date: August 16, 1921
Creator: Alexander, Clive M.
Partner: UNT Libraries Government Documents Department

Building Construction.

Description: Patent for "new and useful improvements in building construction" (lines 9-11), including illustrations.
Date: September 28, 1920
Creator: Laughlin, Edward A.
Partner: UNT Libraries Government Documents Department

Automatic Safety Target.

Description: Patent for a target device for pistols and rifles which allows for the motion of the target being hit to move another target into view.
Date: August 3, 1920
Creator: Briggs, George F.
Partner: UNT Libraries Government Documents Department

Combination Dripper and Steeper

Description: Patent for a beverage steeper where a strainer is provided to hold the material used for preparation, such as tea or coffee. The strainer is designed to lower into the coffee pot to allow for steeping and can be raised out of the water and affixed to the top of the pot for draining.
Date: January 25, 1921
Creator: Nicholls, George Habberton
Partner: UNT Libraries Government Documents Department

Combination Steeper and Dripper.

Description: Patent for improvements of steeper and drippers combinations, specifically for tea or coffee, where a container the same depth of the pot will be provided in order to steep grounds easily and quicker.
Date: May 17, 1920
Creator: Nicholls, George Habberton
Partner: UNT Libraries Government Documents Department
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