Patents by Inventor Ri Hua Li

Ri Hua Li 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).

  • Picture Frame
    Publication number: 20120073175
    Abstract: A picture frame with a smooth and flush back side is presented in this application, where the intended art piece will be held in place by a foam padding, and a back panel will be placed into a concave rectangular area, pressing the foam padding and art piece snugly in place, with the resulting back side surface being a nice and smooth surface.
    Type: Application
    Filed: January 6, 2011
    Publication date: March 29, 2012
    Inventors: Wen Ge Wang, Ri Hua Li