Patents by Inventor Pui Hung Tse

Pui Hung Tse 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).

  • Electronic scale
    Patent number: D521888
    Type: Grant
    Filed: November 5, 2004
    Date of Patent: May 30, 2006
    Assignee: Kwonnie Industries Limited
    Inventor: Pui Hung Tse
  • Electronic scale
    Patent number: D522392
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: June 6, 2006
    Assignee: Kwonnie Industries Limited
    Inventor: Pui Hung Tse