Patents by Inventor Li Tsz Hong

Li Tsz Hong 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).

  • Watch band retainer
    Patent number: D611378
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: March 9, 2010
    Assignee: Advance Watch Company, Ltd.
    Inventor: Li Tsz Hong
  • Watch case
    Patent number: D660725
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: May 29, 2012
    Assignee: Advance Watch Company, Ltd.
    Inventor: Li Tsz Hong