Patents by Inventor Chi Kin Kei

Chi Kin Kei 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).

  • Insulated container
    Patent number: D415393
    Type: Grant
    Filed: July 6, 1998
    Date of Patent: October 19, 1999
    Assignee: Sun Hoi Kwong Plastic Factory (Shenzhen) Co., Ltd.
    Inventor: Chi Kin Kei
  • Rice cooker
    Patent number: D418360
    Type: Grant
    Filed: June 15, 1998
    Date of Patent: January 4, 2000
    Assignee: Sun Hoi Kwong Plastic Factory (Shenzhen) Co., Ltd.
    Inventor: Chi Kin Kei