Patents by Inventor Rita M. Stone

Rita M. Stone 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: D244323
    Type: Grant
    Filed: September 24, 1975
    Date of Patent: May 17, 1977
    Inventor: Rita M. Stone