Patents by Inventor Lingiun Chen

Lingiun Chen 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: 6439889
    Abstract: A mouth pad for cleaning teeth crevices has a U-shaped plate sized to cover substantially only the biting surfaces of the upper and lower teeth of the human jaw. The plate is positioned between the upper teeth and lower teeth such that when the teeth are rinsed with a liquid, the liquid flows primarily through the crevices between individual teeth, and physically detaches the adhering residue within. A method of cleaning teeth using a plate positioned between the upper and lower teeth is also disclosed.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: August 27, 2002
    Inventors: Shuqi Chen, Lingiun Chen