Patents by Inventor Chi Hang Lau

Chi Hang Lau 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).

  • Solar charging device
    Patent number: D617264
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: June 8, 2010
    Assignee: Hutchison Harbour Ring Enterprises Limited
    Inventor: Chi Hang Lau
  • Bluetooth headset
    Patent number: D623629
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: September 14, 2010
    Assignee: Hutchison Harbour Ring Enterprises Limited
    Inventor: Chi Hang Lau