Patents by Inventor Doris Roberts

Doris Roberts 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: D335605
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: May 18, 1993
    Inventor: Doris Roberts