Patents by Inventor Ivo Ferretti

Ivo Ferretti 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).

  • Breast-stroke fins
    Patent number: 5374210
    Abstract: Breast-stroke swimming fine consisting of a flexible rubber shoe having a short rigid wing at the front with twisted profile and an oscillating rigid wall under one of the fin sides.
    Type: Grant
    Filed: April 11, 1994
    Date of Patent: December 20, 1994
    Inventors: Franco Sardella, Mario Menghi, Ivo Ferretti