Patents by Inventor Chun Fai Leung

Chun Fai 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).

  • Patent number: D518907
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: April 11, 2006
    Assignee: Sweda Limited
    Inventor: Chun Fai Leung
  • Patent number: D519391
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: April 25, 2006
    Assignee: Sweda Limited
    Inventor: Chun Fai Leung
  • Patent number: D494953
    Type: Grant
    Filed: May 14, 2003
    Date of Patent: August 24, 2004
    Assignee: youSP Sales Promotions B.V.
    Inventor: Chun Fai Leung