Patents by Inventor Howard How-Un Chen

Howard How-Un 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).

  • Publication number: 20040040980
    Abstract: Toothpaste dispenser will eliminate messy sink counter top. By placing the unit on the mirror or on the wall, with one push of the button, toothpaste will come out and convenient hook for placing the toothbrush and open area for dental floss placement.
    Type: Application
    Filed: August 29, 2002
    Publication date: March 4, 2004
    Inventor: Howard How-Un Chen