Patents by Inventor James C. P. Leung

James C. P. 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).

  • Base for fluorescent lamp
    Patent number: D539446
    Type: Grant
    Filed: April 12, 2006
    Date of Patent: March 27, 2007
    Assignee: Masterwise International Limited
    Inventor: James C. P. Leung
  • Base for fluorescent lamp
    Patent number: D539447
    Type: Grant
    Filed: April 12, 2006
    Date of Patent: March 27, 2007
    Assignee: Masterwise International Limited
    Inventor: James C. P. Leung
  • LED flashlight lantern
    Patent number: D543298
    Type: Grant
    Filed: August 2, 2006
    Date of Patent: May 22, 2007
    Assignee: Masterwise International Limited
    Inventor: James C. P. Leung
  • Combined flashlight and lantern
    Patent number: D553272
    Type: Grant
    Filed: August 17, 2006
    Date of Patent: October 16, 2007
    Assignee: Masterwise International Limited
    Inventor: James C. P. Leung
  • Flashlight
    Patent number: D569538
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: May 20, 2008
    Assignee: Masterwise International Limited
    Inventor: James C. P. Leung
  • Base for a fluorescent lamp
    Patent number: D612530
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: March 23, 2010
    Assignee: The Coleman Company, Inc.
    Inventor: James C. P. Leung