Patents by Inventor Tsai L. Yu

Tsai L. Yu 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: D350608
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: September 13, 1994
    Inventor: Tsai L. Yu