Patents by Inventor Wenshan Li

Wenshan Li 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).

  • Gasoline engine
    Patent number: D516580
    Type: Grant
    Filed: September 21, 2004
    Date of Patent: March 7, 2006
    Inventor: Wenshan Li
  • Gasoline engine
    Patent number: D552128
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: October 2, 2007
    Assignee: Chongqing ZongShen Technology R & D Co., Ltd.
    Inventor: Wenshan Li