Patents by Inventor Leonard Ross

Leonard Ross has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5090903
    Abstract: A system for automatically and progressively dispensing fluids into an individual's mouth comprises a dental prostheses such as a bridge having an interior cavity with a plurality of chambers defined therein. A first passageway communicates between the inner chamber and the interior of the mouth for progressive delivery of fluid from the chamber into the mouth. A second passageway communicates between the outer chamber and the outer surface of the bridge and functions as a vent. Spaced parallel walls within the cavity define the chambers therein and openings in the walls communicate between adjacent chambers. The walls, openings, and passageways are positioned and oriented such that fluid is dispensed into the mouth progressively from the inner chamber during waking hours when the wearer is in a standing or upright position and is not dispensed during the night time or sleeping hours when the wearer is in an inclined or lying position.
    Type: Grant
    Filed: January 18, 1991
    Date of Patent: February 25, 1992
    Inventors: Roy M. Taylor, Leonard Ross