Patents by Inventor Cissy Wing Sze Tong

Cissy Wing Sze Tong 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: D444039
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: June 26, 2001
    Inventor: Cissy Wing Sze Tong