Patents by Inventor Philip Lap Yan Leung

Philip Lap Yan Leung 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).

  • Jug
    Patent number: D486032
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: February 3, 2004
    Assignee: Wei Yit Vacuum Flask Manufactory Limited
    Inventor: Philip Lap Yan Leung