Patents by Inventor Lau Hung Biu

Lau Hung Biu 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).

  • Top hanger
    Patent number: D521254
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: May 23, 2006
    Assignee: Shrewsbury Enterprises Limited
    Inventor: Lau Hung Biu