Patents by Inventor Richard Keng Chian Lee

Richard Keng Chian Lee 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).

  • Chocolate chunk
    Patent number: D506591
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: June 28, 2005
    Assignee: Aalst Chocolate Pte Ltd.
    Inventor: Richard Keng Chian Lee
  • Chocolate chip
    Patent number: D509643
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: September 20, 2005
    Assignee: AALST Chocolate PTE LTD
    Inventor: Richard Keng Chian Lee
  • Chocolate chip
    Patent number: D514277
    Type: Grant
    Filed: August 26, 2004
    Date of Patent: February 7, 2006
    Assignee: AALST Chocolate Pte Ltd
    Inventor: Richard Keng Chian Lee
  • Chocolate chip
    Patent number: D515276
    Type: Grant
    Filed: August 26, 2004
    Date of Patent: February 21, 2006
    Assignee: AALST Chocolate Pte Ltd
    Inventor: Richard Keng Chian Lee