Patents by Inventor Barbara Ravizza

Barbara Ravizza 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).

  • Timer key ring
    Patent number: D366358
    Type: Grant
    Filed: August 26, 1994
    Date of Patent: January 23, 1996
    Inventor: Barbara Ravizza