Patents by Inventor Christy L. Severson

Christy L. Severson 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).

  • Hand washing alert mat
    Patent number: D486686
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: February 17, 2004
    Inventor: Christy L. Severson