Patents by Inventor Li-Yun Yu

Li-Yun Yu 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).

  • Decoration head for venetian blind rod
    Patent number: D497539
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: October 26, 2004
    Assignee: Piing Heh Enterprise Co., Ltd.
    Inventor: Li-Yun Yu