Patents by Inventor Sandra Mitcham

Sandra Mitcham 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: D424108
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: May 2, 2000
    Inventor: Sandra Mitcham