Patents by Inventor Osvaldo Cai

Osvaldo Cai 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).

  • Cutting element for wire saw
    Patent number: D359968
    Type: Grant
    Filed: December 21, 1993
    Date of Patent: July 4, 1995
    Inventors: Stefan Ekblad, Ingemar Eriksson, Bengt von Knorring, Osvaldo Cai