Patents by Inventor Margaret M. Ross

Margaret M. Ross 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: D368671
    Type: Grant
    Filed: April 15, 1993
    Date of Patent: April 9, 1996
    Inventor: Margaret M. Ross
  • Patent number: D376768
    Type: Grant
    Filed: January 30, 1995
    Date of Patent: December 24, 1996
    Inventor: Margaret M. Ross