Patents Assigned to Ofess Limited
  • Umbrella
    Patent number: D588352
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: March 17, 2009
    Assignee: Ofess Limited
    Inventor: Pak Keung David Leung
  • Tote bag
    Patent number: D617986
    Type: Grant
    Filed: August 4, 2009
    Date of Patent: June 22, 2010
    Assignee: Ofess Limited
    Inventor: Pak Keung David Leung
  • Umbrella
    Patent number: D624746
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: October 5, 2010
    Assignee: Ofess Limited
    Inventors: Pak Keung David Leung, Pui Kay Mo Mou
  • Umbrella handle with suction cup
    Patent number: D635350
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: April 5, 2011
    Assignee: Ofess Limited
    Inventors: Pak Keung David Leung, Pui Kay Mo Mou
  • Umbrella
    Patent number: D637390
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: May 10, 2011
    Assignee: Ofess Limited
    Inventors: Pak Keung David Leung, Pui Kay Mo Mou
  • Umbrella handle
    Patent number: D800442
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: October 24, 2017
    Assignee: OFESS LIMITED
    Inventor: Pui Kay Mou