Patents by Inventor Karl B. Lau

Karl B. 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).

  • Patent number: D585199
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: January 27, 2009
    Inventors: Karl B. Lau, Amy Purdy