Patents by Inventor Zhou Yongyan

Zhou Yongyan 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: D619216
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: July 6, 2010
    Assignee: Xiamen Lota International Co., Ltd.
    Inventor: Zhou Yongyan
  • Patent number: D621002
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: August 3, 2010
    Assignee: Xiamen Lota International Co., Ltd.
    Inventor: Zhou Yongyan
  • Patent number: D622812
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: August 31, 2010
    Assignee: Xiamen Lota International Co., Ltd.
    Inventor: Zhou Yongyan
  • Patent number: D639391
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: June 7, 2011
    Assignee: Xiamen Lota International Co., Ltd.
    Inventor: Zhou Yongyan