Patents by Inventor Zhang Hua Dong

Zhang Hua Dong 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).

  • Lid handle
    Patent number: D692271
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: October 29, 2013
    Assignee: WKI Holding Company, Inc.
    Inventors: Karl Ludeman, Zhang Hua Dong