Patents by Inventor Zhenguang Yan

Zhenguang Yan 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).

  • Patent number: D535218
    Type: Grant
    Filed: May 4, 2005
    Date of Patent: January 16, 2007
    Inventor: Zhenguang Yan
  • Patent number: D563285
    Type: Grant
    Filed: February 22, 2006
    Date of Patent: March 4, 2008
    Inventor: Zhenguang Yan