Patents by Inventor Janet K. M. Lau

Janet K. M. 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).

  • Hair clip
    Patent number: D454657
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: March 19, 2002
    Inventor: Janet K. M. Lau