Patents by Inventor Weiyang Zeng

Weiyang Zeng 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).

  • UV stabilizer
    Patent number: D654558
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: February 21, 2012
    Assignee: Shenzhen Lenyo Aquatics Co., Ltd.
    Inventor: Weiyang Zeng
  • UV stabilizer
    Patent number: D662568
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: June 26, 2012
    Assignee: Shenzhen Lenyo Aquatics Co., Ltd.
    Inventor: Weiyang Zeng