Patents by Inventor Pancho Tsai

Pancho Tsai 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).

  • Square lampshade
    Patent number: D652163
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: January 10, 2012
    Inventor: Pancho Tsai
  • Circular lampshade
    Patent number: D656661
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: March 27, 2012
    Inventor: Pancho Tsai