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Marine Vessels

Description: Patent for new and useful Improvements in Marine Vessels. Relates to marine vessels used for towing timber.
Date: January 4, 1921
Creator: Collier, Hugh R.
Partner: UNT Libraries Government Documents Department

Method of Purifying Oils

Description: Patent for a new and useful improvement in the method of purifying oils, particularly applicable to cracked gasoline.
Date: January 10, 1922
Creator: Alexander, Clive M.
Partner: UNT Libraries Government Documents Department

Can-Closure

Description: Patent for general use to securely close cans containing liquid so that invisible tampering, evaporation, and contamination cannot occur.
Date: January 6, 1920
Creator: Starcke, Eugene P.
Partner: UNT Libraries Government Documents Department

Player Piano

Description: Patent for a new form of valve for mechanical piano operated by pneumatic mechanisms in which the value is self-centering and does away with the guide pin usually employed, and an amplification of the wippen so that the striker rod is placed at the front of the pneumatic mechanism where it is accessible. The change in leverage permits the use of a smaller pneumatic.
Date: January 31, 1922
Creator: Pace, Vara L.
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
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