Patents by Inventor Mei-Hsueh Hsueh

Mei-Hsueh Hsueh 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).

  • Sprinkler
    Patent number: D398952
    Type: Grant
    Filed: October 27, 1997
    Date of Patent: September 29, 1998
    Inventor: Mei-Hsueh Hsueh
  • Sprinkler
    Patent number: D403744
    Type: Grant
    Filed: October 29, 1997
    Date of Patent: January 5, 1999
    Inventor: Mei Hsueh Hsueh