Patents by Inventor Ching Ching Kelvin Poon

Ching Ching Kelvin Poon 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).

  • Food steamer
    Patent number: D517857
    Type: Grant
    Filed: November 18, 2004
    Date of Patent: March 28, 2006
    Assignee: Tunbow Electrical Limitied
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D530873
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: October 24, 2006
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D531372
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: October 31, 2006
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D538990
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: March 20, 2007
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D550915
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: September 11, 2007
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D550916
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: September 11, 2007
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D551413
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: September 18, 2007
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D567461
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: April 22, 2008
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Steam iron
    Patent number: D568020
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: April 29, 2008
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon
  • Travel iron
    Patent number: D595019
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: June 23, 2009
    Assignee: Tunbow Electrical Limited
    Inventor: Ching Ching Kelvin Poon