Patents by Inventor Patrick L. Ong

Patrick L. Ong 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).

  • Toothbrush structure
    Patent number: 6817803
    Abstract: A toothbrush structure utilizing a handle having an open chamber and an aperture leading therefrom. The open chamber is sized to accommodate toothpaste and includes a flexible cover. A head portion is removably connected to the handle and possesses a brush structure and a passage for conducting toothpaste from the open chamber. Valve means controls the flow of toothpaste from the open chamber of the handle and the passage through the head portion.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: November 16, 2004
    Inventors: Patrick L. Ong, Rebecca C. Ong