Patents by Inventor Vincent C. K. Leung

Vincent C. K. 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).

  • Flashlight with clock
    Patent number: D442869
    Type: Grant
    Filed: October 25, 1999
    Date of Patent: May 29, 2001
    Assignee: Masterwise International Limited
    Inventor: Vincent C. K. Leung
  • Light bulb
    Patent number: D532533
    Type: Grant
    Filed: December 8, 2005
    Date of Patent: November 21, 2006
    Assignee: Masterwise International Limited
    Inventor: Vincent C. K. Leung
  • Lantern
    Patent number: D539953
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: April 3, 2007
    Assignee: The Coleman Company, Inc.
    Inventors: Vincent C. K. Leung, James Michael Cormier
  • Lantern
    Patent number: D545984
    Type: Grant
    Filed: September 7, 2005
    Date of Patent: July 3, 2007
    Assignee: The Coleman Company, Inc.
    Inventors: Vincent C. K. Leung, James Michael Cormier
  • Flashlight
    Patent number: D500376
    Type: Grant
    Filed: November 6, 2003
    Date of Patent: December 28, 2004
    Assignee: The Coleman Company, Inc.
    Inventors: James Michael Cormier, Vincent C. K. Leung, Keith Vincent Skidmore
  • Fluorescent lantern
    Patent number: D424222
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: May 2, 2000
    Assignee: Masterwise International Limited
    Inventor: Vincent C. K. Leung