Patents by Inventor Diana E Marshall

Diana E Marshall 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).

  • Ear shield
    Patent number: D415861
    Type: Grant
    Filed: January 15, 1998
    Date of Patent: October 26, 1999
    Inventor: Diana E Marshall