Patents by Inventor Wei-Li Guo

Wei-Li Guo 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).

  • Water spray gun
    Patent number: D370713
    Type: Grant
    Filed: May 10, 1995
    Date of Patent: June 11, 1996
    Inventor: Wei-Li Guo
  • Water spray gun
    Patent number: D373813
    Type: Grant
    Filed: May 10, 1995
    Date of Patent: September 17, 1996
    Inventor: Wei-Li Guo