Patents by Inventor Sandra L. McGrath

Sandra L. McGrath 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: D335940
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: May 25, 1993
    Inventors: Sandra L. McGrath, Philip M. McGrath