Patents by Inventor Da Nian Yang

Da Nian Yang 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).

  • Wrench
    Patent number: D661166
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: June 5, 2012
    Assignee: Meridian International Co., Ltd.
    Inventors: Brent Christopher, Da Nian Yang, Hua An Xu
  • Packaging for a hand tool
    Patent number: D668139
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: October 2, 2012
    Assignee: Meridian International Co., Ltd.
    Inventors: Da Nian Yang, Mark Holtan